Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - BRODIX "D" Shape Port - Exhaust Port Width: 1.55" , Exhaust Port Height: 1.71" , Center Port to Gasket Top: .97" RG40003 1/8" NPT to #4

1/8" NPT to #4

Most high performance engines today require the use of larger-than-stock diameter valve springs

1970-1974 Dodge MB300

Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine

Shifter Arm

Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - BRODIX "D" Shape Port - Exhaust Port Width: 1.55" , Exhaust Port Height: 1.71" , Center Port to Gasket Top: .97" RG40003 1/8" NPT to #4Ultra Seal premium exhaust gaskets have the ability to conform to warped flanges for a tight seal. They have superior tensile strength to resist cracking. The graphite facing withstands heat, and allows easy removal. Vehicle Applications: 1968 1986 Chevrolet K10 Suburban 1967 1974 GMC K25 K2500 Pickup 1977 1980 Buick Regal 1978 1987 GMC Caballero 1977 1979 Oldsmobile Starfire 1975 1986 Chevrolet K20 1980 1980 Pontiac Grand LeMans 1967 1974 GMC C15