Mr Gasket SBC Copper Seal Header Gaskets 1.45" x 1.55" Square port

Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.
 
Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. 1.45" x 1.55" Rectangular Ports
 
Features:
Manufactured from “Dead Soft” (solid) .043" thick copper material.
.051" embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094"
Total gasket thickness .094".
Provides excellent sealing and durability
Conforms to and seals minor surface irregularities
For high performance street, drag race, oval track and turbocharged (extreme heat) applications.
Compatibility
1955-1986 Chevrolet Gen 1 Small Block
1973–1977 Buick Century
1975–1979 Buick Skylark
1978 Buick Lesabre
1977-1980 Buick Regal
1955-1981 Chevrolet Bel Air
1955-1972 Chevrolet Townsman
1955-1972 Chevrolet Nomad
1958-1975 Chevrolet Biscayne
1969-1986 Chevrolet Blazer
1967-1986 Chevrolet Camaro
1966-1986 Chevrolet Caprice
1964-1977 Chevrolet Chevelle
1963-1968 Chevrolet Chevy II
1963-1968 Chevrolet Nova
1957-1986 Chevrolet Corvette
1958-1985 Chevrolet Impala
1959-1986 Chevrolet El Camino
1965-1986 Chevrolet C10/K10
1965-1986 Chevrolet C20/K20
1965-1986 Chevrolet C30/K30
1960-1962 Chevrolet C40/K40
1967-1986 Chevrolet G10
1967-1986 Chevrolet G20
1967-1986 Chevrolet G30
1975;1977-1979 Oldsmobile Custom Cruiser
1975 Oldsmobile Delta 88
1977-1979 Oldsmobile Omega
1978-1980 Oldsmobile Cutlass
1975;1983-1986 Pontiac Bonneville
1975 Pontiac Catalina
1975;1978-1980 Pontiac Grand AM
1975-1976;1978-1980;1983-1986 Pontiac Grand-Prix
1977-1986 Pontiac Firebird
1977-1980 Pontiac Lemans
1975;1977-1980 Pontiac Grand Lemans
1977-1979 Pontiac Pheonix
1977 Pontiac Ventura
1977-1979 Pontiac Pheonix
1983-1986 Pontiac Parisienne
1978-1979 Pontiac Sunbird