Mr. Gasket Ultra-Seal Header Gaskets - Steel Core Laminate - Oval Port - SB Chevy RS007B0114W (1) 6AN O-ring Inlet

(1) 6AN O-ring Inlet

Hundreds of lbs under the SFI upper neck tension threshold

Small Block

Does not fit LT1/LT4

Mr. Gasket Ultra-Seal Header Gaskets - Steel Core Laminate - Oval Port - SB Chevy RS007B0114W (1) 6AN O-ring InletUltra 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: 1988 1995 Chevrolet C3500 1969 1972 Chevrolet Brookwood 1976 1979 Chevrolet Monza 1987 1987 Chevrolet R10 1961 1974 Chevrolet C20 Pickup 1987 1991 GMC V1500 Suburban 1975 1986 Chevrolet C20 1987 1988 Chevrolet V10