Which vehicles does the FlowTech 99150AFLT fit?

Fits 1977 to 1991 Buick Century, Commercial Chassis, Electra and 6 more models, and 5 more makes.

What warranty comes with the FlowTech 99150AFLT?

Manufacturer's Limited 90 Day Warranty

FlowTech Header Gaskets Aluminum-Layered 262-400 Small Block Gen I for 195 vehicles

Part # 99150AFLT

C$154.99

Before you order

Pick your vehicle to check the fit
Ships Mon Dec 7
Free shipping in Canada

Questions? [email protected]Mon to Fri, 8 to 6 Eastern

Features

Suitable For Port-Matching
Will Not Burn Or Blow Out
Re-Useable
Water/Weather Resistant
Multi-Layer "Dead Soft" aluminum conforms to create a leak-proof seal
Made In USA

Description

FLOWTECH REAL-SEAL header and collector gaskets are a revolutionary break-through in exhaust sealing technology. Constructed of separate layers

Specifications

Collector Gaskets Included	No
Engine	Chevrolet Small Block Gen I
Gasket Line	MLS
Grade Type	Performance
Material	Aluminum
Port Shape	Square
Port Size	1.45" x 1.48"
Thickness	.125" in
Type of Component	Exhaust Gaskets
UPC / GTIN	00787480991515
Warranty	Manufacturer's Limited 90 Day Warranty

Fits these vehicles

Filter the vehicles

Year	Make	Model	Submodel	Engine	Note
1977	Buick	Century	Base, Custom	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Buick	Century	Custom, Limited, Special, Sport	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Buick	Century	Custom, Limited, Special	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Buick	Century	Base, Estate, Limited	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	Buick	Century	Base, Estate, Limited	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Buick	Commercial Chassis	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977	Buick	Electra	225, Limited	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1979	Buick	Electra	225, Limited, Park Avenue	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1983	Buick	Electra	Estate Wagon, Limited, Park Avenue	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984 - 1985	Buick	Electra	Estate Wagon	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1983	Buick	Estate Wagon	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Buick	LeSabre	Base, Custom, Custom Sport	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Buick	LeSabre	Base, Custom	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Buick	LeSabre	Base, Limited	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Buick	LeSabre	Base, Limited, Sport	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Buick	LeSabre	Custom, Limited, Limited Edition F/E	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	Buick	LeSabre	Custom, Limited	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Buick	LeSabre	Collector's Edition, Custom, Estate Wagon, Limited	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Buick	Regal	Base, SR	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1980	Buick	Regal	Base, Limited	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	Buick	Regal	Base, Limited, Sport	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Buick	Regal	Base, Estate Wagon, Limited	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Buick	Regal	Base, Estate Wagon, Limited	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Buick	Regal	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1985	Buick	Regal	Base, Limited	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986 - 1987	Buick	Regal	Base, Limited	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977	Buick	Riviera	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Buick	Riviera	Base, LXXV Anniversary Edition	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Buick	Riviera	Base, S	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Buick	Riviera	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Buick	Riviera	Base, Limited Edition	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Buick	Riviera	Base, Luxury, XX Anniversary Edition	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984 - 1985	Buick	Riviera	Base, Luxury	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Buick	Roadmaster	Estate Wagon	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977	Buick	Skylark	Base, S, SR	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Buick	Skylark	Base, Custom, S, Sport	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Buick	Skylark	Base, Custom, S	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990	Cadillac	Brougham	Base, d'Elegance	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Cadillac	Brougham	Base, d'Elegance	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	3B	3200	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	3C	3400	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	3D	3500	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	3E	3600	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	3F	3700	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	3G	3800	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	Bel Air	Base, Beauville, Nomad	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	Bel Air	Base, Nomad	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1958 - 1961	Chevrolet	Bel Air	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1962 - 1967	Chevrolet	Bel Air	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Bel Air	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Bel Air	Base	5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1975	Chevrolet	Bel Air	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	Bel Air	Base	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1958 - 1959	Chevrolet	Biscayne	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960	Chevrolet	Biscayne	Base, Fleetmaster	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1961	Chevrolet	Biscayne	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1962 - 1967	Chevrolet	Biscayne	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Biscayne	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Biscayne	Base	5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1972	Chevrolet	Biscayne	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	Chevrolet	Blazer	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	Blazer	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	Blazer	Custom Deluxe, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	Chevrolet	Blazer	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1958 - 1961	Chevrolet	Brookwood	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Brookwood	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Brookwood	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Chevrolet	Brookwood	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	C10	Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	C10	Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	C10	Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1980	Chevrolet	C10	Big Ten, Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	C10	Cheyenne, Custom, Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1986	Chevrolet	C10	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1965	Chevrolet	C10 Pickup	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1966 - 1967	Chevrolet	C10 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	C10 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	C10 Pickup	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	C10 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	C10 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	C10 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	C10 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	C10 Suburban	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	C10 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	C10 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Chevrolet	C10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1979	Chevrolet	C10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	C10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	C10 Suburban	Custom, Deluxe	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	C10 Suburban	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	C10 Suburban	Custom, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984 - 1986	Chevrolet	C10 Suburban	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1983	Chevrolet	C15	Cheyenne, Custom	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	C15	Cheyenne, Custom, Sport	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Chevrolet	C15	Cheyenne, Custom	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	Chevrolet	C1500	Cheyenne, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990 - 1991	Chevrolet	C1500	Cheyenne, Scottsdale, Silverado, WT	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	C20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	C20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	Chevrolet	C20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Chevrolet	C20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	C20	Cheyenne, Custom, Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1985	Chevrolet	C20	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	C20	Base, Cheyenne, Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	C20	Base, Cheyenne	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1965	Chevrolet	C20 Pickup	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1966 - 1967	Chevrolet	C20 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	C20 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	C20 Pickup	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	C20 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	C20 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	C20 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	C20 Suburban	Base	5.0L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	C20 Suburban	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	C20 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	C20 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	C20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	C20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	C20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	C20 Suburban	Custom Deluxe, Scottsdale	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	C20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	C20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	C20 Suburban	Custom, Deluxe	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	C20 Suburban	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	C20 Suburban	Custom, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984 - 1986	Chevrolet	C20 Suburban	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	Chevrolet	C2500	Base, Cheyenne, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	C30	Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976 - 1977	Chevrolet	C30	Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	C30	Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Chevrolet	C30	Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	C30	Base, Cheyenne, Custom, Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	C30	Base, Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	Chevrolet	C30	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1965	Chevrolet	C30 Pickup	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1966 - 1967	Chevrolet	C30 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	C30 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	C30 Pickup	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	C30 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	C30 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1991	Chevrolet	C35	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	Chevrolet	C3500	Cheyenne, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	Camaro	Base, RS, SS, Z28	4.9L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Camaro	Base, RS, SS, Z28	4.9L V8, 5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Camaro	Base, RS, SS, Z28	4.9L V8, 5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1972	Chevrolet	Camaro	Base, RS, SS, Z28	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	Camaro	Base, LT, RS, Z28	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	Camaro	Base, LT, Z28	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Camaro	Base, LT, RS	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Camaro	Base, LT, LT Rally Sport, Rally Sport	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	Chevrolet	Camaro	Base, LT, LT Rally Sport, Rally Sport, Z28	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Camaro	Base, Berlinetta, Rally Sport, Z28	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	Camaro	Base, Berlinetta, Rally Sport, Z28	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	Camaro	Berlinetta, Sport, Z28	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	Camaro	Berlinetta, Sport, Z28, Z28 Indianapolis 500 Pace Car	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	Chevrolet	Camaro	Berlinetta, Sport, Z28	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1986	Chevrolet	Camaro	Berlinetta, Iroc-Z, Sport, Z28	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	Camaro	Iroc-Z, LT, Sport, Z28	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	Camaro	Base, Iroc-Z	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1990	Chevrolet	Camaro	Iroc-Z, RS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	Camaro	RS, Z28	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1966 - 1967	Chevrolet	Caprice	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Caprice	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Caprice	Base	5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Caprice	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Chevrolet	Caprice	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	Caprice	Classic, Estate	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	Caprice	Classic, Estate	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Caprice	Classic, Classic Sport, Estate Wagon	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Caprice	Classic, Classic Estate, Classic Landau, Classic Sport	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	Chevrolet	Caprice	Classic, Classic Estate, Classic Landau	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Caprice	Classic, Classic Landau, Classic Sport, Landau	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	Caprice	Base, Classic, Classic Landau, Classic Sport	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	Caprice	Base, Classic, Classic Estate, Classic Landau	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	Caprice	Base, Classic, Classic Estate	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1985	Chevrolet	Caprice	Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	Caprice	Base, Classic, Classic Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1990	Chevrolet	Caprice	Base, Classic, Classic Brougham, Classic LS Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	Caprice	Base, Classic, Classic LTZ	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1964	Chevrolet	Chevelle	300, Malibu, Malibu Super Sport	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1965	Chevrolet	Chevelle	300, 300 Deluxe, Malibu, Malibu Super Sport	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1966	Chevrolet	Chevelle	300, 300 Deluxe, Malibu	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	Chevelle	300, 300 Deluxe, Concours, Malibu	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Chevelle	300, 300 Deluxe, Concours, Malibu, Nomad, Nomad Custom	5.0L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Chevelle	300 Deluxe, Concours, Concours Estate, Greenbrier, Malibu, Nomad	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Chevelle	Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Chevrolet	Chevelle	Base, Concours, Concours Estate, Greenbrier, Heavy Chevy, Malibu, Nomad, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	Chevelle	Deluxe, Laguna, Laguna Estate, Malibu, Malibu Estate, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974 - 1975	Chevrolet	Chevelle	Laguna Type S-3, Malibu, Malibu Classic, Malibu Classic Estate	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Chevelle	Laguna Type S-3, Malibu, Malibu Classic, Malibu Classic Estate	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	Chevelle	Malibu, Malibu Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1963	Chevrolet	Chevy II	Base, Nova	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1964	Chevrolet	Chevy II	Base, Nova, Nova SS	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1965 - 1966	Chevrolet	Chevy II	Base, Nova, Nova SS	4.6L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	Chevy II	Base, Nova, Nova SS	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Chevy II	Nova	5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	Commercial Chassis	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	Corvette	Base	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957 - 1961	Chevrolet	Corvette	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1962 - 1967	Chevrolet	Corvette	Base	5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Corvette	Base	5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1974	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Chevrolet	Corvette	Stingray	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	Corvette	Base, Indianapolis 500 Pace Car, Silver Anniversary Edition	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	Corvette	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	Corvette	Base, Collector's Edition	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984 - 1985	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	Corvette	Base, Indianapolis 500 Pace Car	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	Corvette	35th Anniversary Edition, Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989	Chevrolet	Corvette	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990 - 1991	Chevrolet	Corvette	Base, ZR-1	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	Del Ray	Base	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1958	Chevrolet	Del Ray	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959 - 1960	Chevrolet	El Camino	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1964 - 1967	Chevrolet	El Camino	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	El Camino	Base, Custom	5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	El Camino	Base, Custom	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	El Camino	Base, Custom, SS	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	El Camino	Base, Custom, SS	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	El Camino	Base, Classic, SS	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	El Camino	Base, Classic, SS	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	El Camino	Base, Classic, Conquista, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	El Camino	Base, Conquista, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	El Camino	Base, Royal Knight, SS	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	El Camino	Base, Royal Knight, SS	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	El Camino	Base, Conquista, Royal Knight, SS	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	El Camino	Base, Conquista, SS	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	Chevrolet	El Camino	Base, Conquista, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1986	Chevrolet	El Camino	Base, Conquista, SS	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	El Camino	Base, SS	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Estate	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Estate	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	G10	Beauville, Chevy Van, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	G10	Beauville, Chevy Van, Sportvan	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1980	Chevrolet	G10	Beauville, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	Chevrolet	G10	Beauville, Bonaventure, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	G10	Base, Beauville, Bonaventure, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	G10	Beauville, Bonaventure, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Chevrolet	G10	Beauville, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986 - 1987	Chevrolet	G10	Beauville, Bonaventure, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	Chevrolet	G10	Beauville, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	G10 Van	Sportvan	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	G10 Van	Base, Sportvan	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	G10 Van	Base, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	G10 Van	Base, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1977	Chevrolet	G20	Beauville, Chevy Van, Sportvan	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1979	Chevrolet	G20	Beauville, Chevy Van, Nomad, Sportvan	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	G20	Beauville, Chevy Van, Nomad, Sportvan	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	G20	Beauville, Chevy Van, Nomad, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	G20	Beauville, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	Chevrolet	G20	Beauville, Bonaventure, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1991	Chevrolet	G20	Beauville, Chevy Van, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	G20 Van	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	Chevrolet	G20 Van	Base, Sportvan	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	G20 Van	Base, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	G20 Van	Base, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1977	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1979	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	Chevrolet	G30	Beauville, Bonaventure, Chevy Van, Hi-Cube, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986 - 1991	Chevrolet	G30	Beauville, Chevy Van, Hi-Cube, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1974	Chevrolet	G30 Van	Base, Sportvan	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1958 - 1961	Chevrolet	Impala	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1962 - 1963	Chevrolet	Impala	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1964 - 1967	Chevrolet	Impala	Base, SS	4.6L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	Impala	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Impala	Base	5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Impala	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1973	Chevrolet	Impala	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	Impala	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Impala	Base, Custom, Sport	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Impala	Base, Custom, Custom Landau, S, Sport	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	Impala	Base, Custom, Landau	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	Impala	Base, Landau	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Impala	Base, Landau, Sport	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	Impala	Base, Sport	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	Chevrolet	Impala	Base, Estate	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1985	Chevrolet	Impala	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Chevrolet	K10	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	Chevrolet	K10	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Chevrolet	K10	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	K10	Cheyenne, Custom, Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1986	Chevrolet	K10	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1965	Chevrolet	K10 Pickup	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1966 - 1967	Chevrolet	K10 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	K10 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	K10 Pickup	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	K10 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	K10 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	K10 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	K10 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	K10 Suburban	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	K10 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	K10 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Chevrolet	K10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	K10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	K10 Suburban	Custom Deluxe, Scottsdale	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	K10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	K10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	K10 Suburban	Custom, Deluxe	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	K10 Suburban	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	K10 Suburban	Custom, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	K10 Suburban	Custom, Scottsdale	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Chevrolet	K10 Suburban	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	K10 Suburban	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	Chevrolet	K1500	Cheyenne, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990	Chevrolet	K1500	Cheyenne, Scottsdale, Silverado, WT	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	K1500	Cheyenne, Scottsdale, Silverado, Sport, WT	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Chevrolet	K20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	Chevrolet	K20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Chevrolet	K20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	K20	Cheyenne, Custom, Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1983	Chevrolet	K20	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	K20	Custom, Scottsdale	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Chevrolet	K20	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	K20	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	K20 Panel	Base	4.6L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1965	Chevrolet	K20 Pickup	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1966 - 1967	Chevrolet	K20 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	K20 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	K20 Pickup	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	K20 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	K20 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	Chevrolet	K20 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	K20 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	K20 Suburban	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	K20 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	K20 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Chevrolet	K20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	K20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	K20 Suburban	Custom Deluxe, Scottsdale	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Chevrolet	K20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	K20 Suburban	Custom, Deluxe	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	K20 Suburban	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	K20 Suburban	Custom, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	K20 Suburban	Custom, Scottsdale	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1986	Chevrolet	K20 Suburban	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	Chevrolet	K2500	Cheyenne, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1980	Chevrolet	K30	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	K30	Cheyenne, Custom, Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1986	Chevrolet	K30	Custom, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1968	Chevrolet	K30 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	K30 Pickup	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	Chevrolet	K30 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	K30 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	Chevrolet	K3500	Cheyenne, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	K5 Blazer	Cheyenne, Custom Deluxe	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	K5 Blazer	Base, Cheyenne	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	K5 Blazer	Cheyenne, Custom Deluxe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	K5 Blazer	Cheyenne, Custom Deluxe, Silverado	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	K5 Blazer	Cheyenne, Custom Deluxe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	K5 Blazer	Cheyenne, Custom Deluxe, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	K5 Blazer	Custom, Deluxe, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1983	Chevrolet	K5 Blazer	Custom, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	K5 Blazer	Custom, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1986	Chevrolet	K5 Blazer	Custom, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1959 - 1961	Chevrolet	Kingswood	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Kingswood	Base, Estate	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Kingswood	Base, Estate	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Chevrolet	Kingswood	Base, Estate	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Malibu	Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	Malibu	Base, Classic, Classic Estate, Classic Landau	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Malibu	Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Landau, Police, Sport	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	Malibu	Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Sport	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	Malibu	Base, Classic, Classic Landau	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	Malibu	Classic	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	Malibu	Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1972	Chevrolet	Monte Carlo	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	Monte Carlo	Base, Landau, S	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	Monte Carlo	Base, Landau	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Monte Carlo	S	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Monte Carlo	Landau, S	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	Monte Carlo	S	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	Monte Carlo	Landau, Sport	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Monte Carlo	Base, Landau	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1980	Chevrolet	Monte Carlo	Landau, Sport	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	Chevrolet	Monte Carlo	Base, Landau	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Chevrolet	Monte Carlo	Base	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Chevrolet	Monte Carlo	Base, CL, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Chevrolet	Monte Carlo	Base, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Chevrolet	Monte Carlo	Base, SS	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1986 - 1988	Chevrolet	Monte Carlo	Base, LS, SS	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Monza	2+2, S	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Monza	2+2, 2+2 Spyder, Base	4.3L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	Monza	2+2, 2+2 Spyder, Mirage, Towne Coupe, Towne Coupe Cabriolet, Towne Coupe Sport	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	Monza	2+2, 2+2 Sport, 2+2 Spyder, Base, S, Sport	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Monza	2+2, 2+2 Sport, 2+2 Spyder, Base, S	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1958 - 1961	Chevrolet	Nomad	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1972	Chevrolet	Nova	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	Nova	Base, Custom	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	Nova	Base, Custom	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	Nova	Base, Custom, LN, Police	4.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	Nova	Base, Concours, Police, SS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	Nova	Base, Concours, Police, Rally	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	Nova	Base, Custom, Police, Rally	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	Nova	Base, Custom, Rally	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	One-Fifty Series	Base	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	One-Fifty Series	Base	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	P10	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Chevrolet	P10	Base, Step-Van	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Chevrolet	P10	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Chevrolet	P10	Base, Step-Van	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1961 - 1962	Chevrolet	P10 Series	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	P10 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1985	Chevrolet	P20	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	P20	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1989	Chevrolet	P20	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1961 - 1962	Chevrolet	P20 Series	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	Chevrolet	P20 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1972	Chevrolet	P20 Van	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	P20 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	P20 Van	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Chevrolet	P30	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Chevrolet	P30	Base, Step-Van	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1985	Chevrolet	P30	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Chevrolet	P30	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1990	Chevrolet	P30	Base, Step-Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	P30	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1961 - 1962	Chevrolet	P30 Series	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	Chevrolet	P30 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1972	Chevrolet	P30 Van	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	Chevrolet	P30 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Chevrolet	P30 Van	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1959 - 1961	Chevrolet	Parkwood	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	R10	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	R10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	R10 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1991	Chevrolet	R1500 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	R20	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	R20	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	R20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	R20 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989	Chevrolet	R2500	Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1991	Chevrolet	R2500 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	R30	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	R30	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1990	Chevrolet	R3500	Cheyenne, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	R3500	Cheyenne, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	Sedan Delivery	Base	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	Sedan Delivery	Base	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1958	Chevrolet	Sedan Delivery	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	Suburban	Base	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	Suburban	Base	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1958 - 1965	Chevrolet	Suburban	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1966	Chevrolet	Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1991	Chevrolet	Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1969	Chevrolet	Townsman	Base	5.0L V8, 5.3L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	Chevrolet	Townsman	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Chevrolet	Townsman	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	Truck	3100, 3200, 3400, 3500, 3600, 3700, 3800, Base	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	Truck	3100, 3200, 3400, 3500, 3600, 3700, 3800, Base	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1958	Chevrolet	Truck	3100, 3200, 3400, 3500, 3600, 3700, 3800, Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1959	Chevrolet	Truck	3100	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960	Chevrolet	Truck	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1955 - 1956	Chevrolet	Two-Ten Series	Base, Del Ray	4.3L V8	Real-Seal, Square Ports, Header Gasket.
1957	Chevrolet	Two-Ten Series	Base, Del Ray	4.3L V8, 4.6L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	V10	Custom Deluxe, Scottsdale, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	V10 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	V10 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1991	Chevrolet	V1500 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	V20	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	V20 Suburban	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	V20 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1991	Chevrolet	V2500 Suburban	Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	Chevrolet	V30	Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988	Chevrolet	V30	Cheyenne, Custom Deluxe, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1990	Chevrolet	V3500	Cheyenne, Scottsdale, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Chevrolet	V3500	Cheyenne, Silverado	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1958	Chevrolet	Yeoman	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1963	GMC	1000 Series	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1963	GMC	1500 Series	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1963	GMC	2500 Series	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1966	GMC	3000	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1966	GMC	3500	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	GMC	C15	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	GMC	C15	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	GMC	C15	Base, Heavy Half, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	GMC	C15	Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	C1500	Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	C1500	Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	C1500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	GMC	C1500	Sierra, Sierra SLE, Sierra SLX	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	C1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	GMC	C1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	C1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	C1500 Suburban	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	C15/C1500 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	C15/C1500 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	C15/C1500 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	C15/C1500 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	C15/C1500 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	C15/C1500 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	C15/C1500 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	C15/C1500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	C15 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	C15 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	GMC	C25	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	GMC	C25	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	C25	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	C2500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1982	GMC	C2500	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	C2500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	GMC	C2500	Sierra, Sierra SLE, Sierra SLX	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	C2500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	GMC	C2500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	GMC	C2500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	GMC	C2500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	C2500 Suburban	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	C25/C2500 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	C25/C2500 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	C25/C2500 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	C25/C2500 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	C25/C2500 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	C25/C2500 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	C25/C2500 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	C25/C2500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	C25 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	GMC	C25 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	GMC	C25 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	GMC	C35	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976 - 1977	GMC	C35	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	GMC	C35	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	C3500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1982	GMC	C3500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1985	GMC	C3500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	GMC	C3500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	GMC	C3500	Sierra, Sierra SLE, Sierra SLX	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	C35/C3500 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	C35/C3500 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	C35/C3500 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	C35/C3500 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	GMC	Caballero	Base, Diablo, Laredo	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	Caballero	Base, Diablo, Laredo	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	GMC	Caballero	Base, Diablo, Laredo	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	GMC	Caballero	Amarillo, Base, Conquista, Diablo, Royal Knight	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1982	GMC	Caballero	Amarillo, Base, Diablo	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	GMC	Caballero	Amarillo, Base, Diablo	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1986	GMC	Caballero	Amarillo, Base, Diablo	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	Caballero	Base, Diablo	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1975	GMC	G15	Rally, Rally STX, Vandura	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	GMC	G15	Rally, Rally STX, Vandura	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	G15	Rally, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	G1500	Rally, Rally STX, Vandura	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1982	GMC	G1500	Rally, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	GMC	G1500	Rally, Rally Custom, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1991	GMC	G1500	Rally, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	G15/G1500 Van	Base	4.6L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	GMC	G15/G1500 Van	Rally, Vandura	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970	GMC	G15/G1500 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1971	GMC	G15/G1500 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1972 - 1973	GMC	G15/G1500 Van	Rally, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	G15/G1500 Van	Rally, Vandura	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1978	GMC	G25	Rally, Rally STX, Vandura	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	G2500	Rally, Rally STX, Vandura	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	G2500	Rally, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1984	GMC	G2500	Rally, Rally Custom, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1991	GMC	G2500	Rally, Rally STX, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	G25/G2500 Van	Base	4.6L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	GMC	G25/G2500 Van	Rally, Vandura	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970	GMC	G25/G2500 Van	Base, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	GMC	G25/G2500 Van	Base, Rally, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	GMC	G25/G2500 Van	Rally, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	G25/G2500 Van	Rally, Vandura	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1978	GMC	G35	Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	G3500	Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1988	GMC	G3500	Magnavan, Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1991	GMC	G3500	Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970	GMC	G35/G3500 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971	GMC	G35/G3500 Van	Base, Rally, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1972 - 1973	GMC	G35/G3500 Van	Rally, Vandura	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	G35/G3500 Van	Base, Rally, Vandura	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1970 - 1973	GMC	Jimmy	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	Jimmy	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	Jimmy	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	GMC	Jimmy	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1979	GMC	Jimmy	Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1982	GMC	Jimmy	Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1985	GMC	Jimmy	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	GMC	Jimmy	Base, Sierra Classic, Silverado	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	Jimmy	Base, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1990	GMC	Jimmy	Base, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	GMC	Jimmy	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	K15	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	GMC	K15	Base, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	GMC	K15	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	K1500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	K1500	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	K1500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	GMC	K1500	Sierra, Sierra SLE, Sierra SLX	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	GMC	K1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	GMC	K1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981	GMC	K1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	GMC	K1500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	K1500 Suburban	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	K15/K1500 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	K15/K1500 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	K15/K1500 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	K15/K1500 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	K15/K1500 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	K15/K1500 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	K15/K1500 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	K15/K1500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	K15 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	K15 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	K25	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	K25	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	K2500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	K2500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	K2500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	GMC	K2500	Sierra, Sierra SLE, Sierra SLX	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	K2500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	K2500 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	K2500 Suburban	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1966	GMC	K25/K2500 Pickup	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	K25/K2500 Pickup	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	K25/K2500 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	K25/K2500 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	K25/K2500 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	K25/K2500 Suburban	Base	4.6L V8, 5.3L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	K25/K2500 Suburban	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	K25/K2500 Suburban	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	K25/K2500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	GMC	K25 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	K25 Suburban	Base, High Sierra, Sierra Classic, Sierra Grande	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1978	GMC	K35	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	GMC	K3500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	GMC	K3500	Base, High Sierra, Sierra Classic, Sierra Grande	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1986	GMC	K3500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1991	GMC	K3500	Sierra, Sierra SLE, Sierra SLX	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1968	GMC	K35/K3500 Pickup	Base	5.0L V8, 5.3L V8, 5.4L V8	Real-Seal, Square Ports, Header Gasket.
1969 - 1973	GMC	K35/K3500 Pickup	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	K35/K3500 Pickup	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	P15/P1500 Van	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1970	GMC	P15/P1500 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	GMC	P15/P1500 Van	Base	5.0L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	GMC	P15/P1500 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1978	GMC	P25	Base, Value Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1989	GMC	P2500	Base, Value Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	P25/P2500 Van	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	GMC	P25/P2500 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970	GMC	P25/P2500 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	GMC	P25/P2500 Van	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	GMC	P25/P2500 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	P25/P2500 Van	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1978	GMC	P35	Base, Value Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1990	GMC	P3500	Base, Value Van	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	GMC	P3500	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1967	GMC	P35/P3500 Van	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1968 - 1969	GMC	P35/P3500 Van	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1970	GMC	P35/P3500 Van	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	GMC	P35/P3500 Van	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	GMC	P35/P3500 Van	Base, Motorhome	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	P35/P3500 Van	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	R1500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	R1500 Suburban	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	GMC	R1500 Suburban	Base, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990	GMC	R1500 Suburban	Base, SLE	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	GMC	R1500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	R2500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	GMC	R2500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	R2500 Suburban	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	GMC	R2500 Suburban	Base, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990	GMC	R2500 Suburban	Base, SLE	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	GMC	R2500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1989	GMC	R3500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990 - 1991	GMC	R3500	Base, SLE	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971	GMC	Sprint	Base	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1972	GMC	Sprint	Base, Custom	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	GMC	Sprint	Base, Custom	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	GMC	Sprint	Base, Custom	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	GMC	Sprint	Base, Classic, High Sierra, SP	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	GMC	Sprint	Base, Classic, SP, Sierra Madre Del Sur	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	GMC	Sprint	Base, Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1960 - 1965	GMC	Suburban	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1960	GMC	Truck	Base	4.6L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	V1500	Base, High Sierra, Sierra Classic	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	V1500 Suburban	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	GMC	V1500 Suburban	Base, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990	GMC	V1500 Suburban	Base, SLE	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	GMC	V1500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	V2500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987	GMC	V2500 Suburban	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1988 - 1989	GMC	V2500 Suburban	Base, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990	GMC	V2500 Suburban	Base, SLE	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	GMC	V2500 Suburban	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1989	GMC	V3500	Base, High Sierra, Sierra Classic	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1990 - 1991	GMC	V3500	Base, SLE	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1981	Oldsmobile	98	Luxury, Regency	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1984	Oldsmobile	98	Regency, Regency Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1985	Oldsmobile	Custom Cruiser	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1991	Oldsmobile	Custom Cruiser	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977	Oldsmobile	Cutlass	442, Colonnade, Colonnade S, S, Vista Cruiser	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Oldsmobile	Cutlass	Vista Cruiser	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Oldsmobile	Cutlass	Vista Cruiser, Vista Cruiser Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Oldsmobile	Cutlass	Base, Brougham, LS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Oldsmobile	Cutlass	Brougham, LS, Supreme	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1987	Oldsmobile	Cutlass	Salon	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1978	Oldsmobile	Cutlass Calais	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1980	Oldsmobile	Cutlass Calais	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Oldsmobile	Cutlass Calais	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Oldsmobile	Cutlass Calais	Base	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Oldsmobile	Cutlass Calais	Base, Hurst	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Oldsmobile	Cutlass Calais	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Oldsmobile	Cutlass Cruiser	Base, Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Oldsmobile	Cutlass Cruiser	Base, Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Oldsmobile	Cutlass Cruiser	Base	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Oldsmobile	Cutlass Cruiser	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Oldsmobile	Cutlass Salon	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Oldsmobile	Cutlass Salon	442, Base, Brougham	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1979	Oldsmobile	Cutlass Salon	442, Base, Brougham, Hurst	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Oldsmobile	Cutlass Salon	Base, Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Oldsmobile	Cutlass Salon	Base	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Oldsmobile	Cutlass Supreme	Base, Brougham, Colonnade	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1980	Oldsmobile	Cutlass Supreme	Base, Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Oldsmobile	Cutlass Supreme	Base, Brougham, LS	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Oldsmobile	Cutlass Supreme	Base, Brougham	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Oldsmobile	Cutlass Supreme	Base, Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Oldsmobile	Cutlass Supreme	Base, Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Oldsmobile	Cutlass Supreme	Base, Brougham, LS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986 - 1987	Oldsmobile	Cutlass Supreme	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1979	Oldsmobile	Delta 88	Base, Royale	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Oldsmobile	Delta 88	Base, Holiday, Royale, Royale Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1981	Oldsmobile	Delta 88	Base, Holiday, Royale, Royale Brougham	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Oldsmobile	Delta 88	Base, Royale, Royale Brougham	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Oldsmobile	Delta 88	Base, Royale, Royale Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984 - 1985	Oldsmobile	Delta 88	Royale, Royale Brougham, Royale Brougham LS	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Oldsmobile	Omega	Base, Brougham, Deluxe, F85, SX	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978	Oldsmobile	Omega	Base, Brougham, Brougham LS, SX	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Oldsmobile	Omega	Base, Brougham, Brougham LS	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1979	Oldsmobile	Starfire	Base, Firenza, GT, SX	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1979	Oldsmobile	Toronado	Brougham, XSR	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1981	Oldsmobile	Toronado	Brougham, XSC	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1984	Oldsmobile	Toronado	Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985	Oldsmobile	Toronado	Brougham, Caliente	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971	Pontiac	Acadian	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971	Pontiac	Bonneville	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1972 - 1973	Pontiac	Bonneville	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974	Pontiac	Bonneville	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Pontiac	Bonneville	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	Bonneville	Base, Brougham	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	Bonneville	Base, Brougham	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Pontiac	Bonneville	Base, Brougham, Safari	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979 - 1981	Pontiac	Bonneville	Base, Brougham, Safari	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Pontiac	Bonneville	Base, Brougham	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Pontiac	Bonneville	Base, Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Pontiac	Bonneville	Base, Brougham, LE	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1986	Pontiac	Bonneville	Base, Brougham, LE	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Pontiac	Catalina	Base, Brougham, Safari	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	Pontiac	Catalina	Base, Safari	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974 - 1975	Pontiac	Catalina	Base, Safari	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976 - 1978	Pontiac	Catalina	Base, Safari	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1979	Pontiac	Catalina	Base, Safari	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1981	Pontiac	Catalina	Base, Safari	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1976	Pontiac	Firebird	Base, Esprit, Formula, Trans Am	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1979	Pontiac	Firebird	Base, Esprit, Formula, Trans Am	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1980	Pontiac	Firebird	Base, Esprit, Formula, Trans Am	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	Pontiac	Firebird	Base, Esprit, Formula, Trans Am	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1982 - 1986	Pontiac	Firebird	Base, S/E, Trans Am	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1987 - 1988	Pontiac	Firebird	Base, Trans Am	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1989 - 1991	Pontiac	Firebird	Base, Formula, Trans Am, Trans Am GTA	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973 - 1975	Pontiac	Grand Am	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1980	Pontiac	Grand Am	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1975	Pontiac	Grand LeMans	Base, Safari	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	Grand LeMans	BR, Base, LE	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	Grand LeMans	Base, LE, Safari	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Pontiac	Grand LeMans	Base, SA, Safari	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Pontiac	Grand LeMans	Base, LE, Safari	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980	Pontiac	Grand LeMans	Base, LE, Safari	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981	Pontiac	Grand LeMans	Base, LE, SA	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1982	Pontiac	Grand LeMans	BR, Base	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Pontiac	Grand LeMans	BR, Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1974	Pontiac	Grand Prix	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Pontiac	Grand Prix	LJ, SJ	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	Grand Prix	Base, SJ	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	Grand Prix	Base, LJ, SJ	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1980	Pontiac	Grand Prix	Base, LJ, SJ	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1981 - 1982	Pontiac	Grand Prix	Base, Brougham, LJ	4.4L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983	Pontiac	Grand Prix	Base, Brougham, LJ	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1984	Pontiac	Grand Prix	Base, Brougham, LE	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1985 - 1987	Pontiac	Grand Prix	Base, Brougham, LE	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1974	Pontiac	Grand Safari	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975 - 1976	Pontiac	Grand Safari	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	Grand Safari	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Pontiac	Grand Safari	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1972 - 1974	Pontiac	Grandville	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Pontiac	Grandville	Brougham	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1973	Pontiac	GTO	Base	6.6L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1974	Pontiac	Laurentian	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	Laurentian	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1979	Pontiac	Laurentian	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1981	Pontiac	Laurentian	Base, Safari	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1971	Pontiac	LeMans	Base, Sport, T37	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1972	Pontiac	LeMans	Base, Luxury	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1973	Pontiac	LeMans	Base, Luxury, Safari, Sport	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1974	Pontiac	LeMans	Base, Luxury, Safari, Safari Luxury, Sport	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1975	Pontiac	LeMans	Base, Safari, Sport	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	LeMans	Base, Sport, Sport Coupe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	LeMans	Base, Safari, Sport, Sport Coupe	5.0L V8, 5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1978	Pontiac	LeMans	Base, Safari	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1979	Pontiac	LeMans	Base, Safari	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1981	Pontiac	LeMans	Base, Safari	4.4L V8, 5.0L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1974	Pontiac	Parisienne	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	Parisienne	Base	5.7L V8, 6.6L V8	Real-Seal, Square Ports, Header Gasket.
1977 - 1979	Pontiac	Parisienne	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1980 - 1981	Pontiac	Parisienne	Base, Safari	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1982	Pontiac	Parisienne	Base, Brougham, Safari	4.4L V8, 5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1983 - 1985	Pontiac	Parisienne	Base, Brougham	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1986	Pontiac	Parisienne	Base, Brougham	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	Phoenix	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1979	Pontiac	Phoenix	Base, LJ, SJ	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1978 - 1979	Pontiac	Sunbird	Base	5.0L V8	Real-Seal, Square Ports, Header Gasket.
1971 - 1972	Pontiac	Ventura	Base	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1973	Pontiac	Ventura	Base, Custom	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.
1974	Pontiac	Ventura	Base, Custom, GTO	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1975	Pontiac	Ventura	Base, Custom, S, SJ	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1976	Pontiac	Ventura	Base, SJ	5.7L V8	Real-Seal, Square Ports, Header Gasket.
1977	Pontiac	Ventura	Base, SJ	5.0L V8, 5.7L V8	Real-Seal, Square Ports, Header Gasket.