Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - Hooker , Stahl Adapter Plate - Exhaust Port Width: 1.93" , Exhaust Port Height: 1.93" , Center Port to Gasket Top: N/A Tachometer Aeromotive fittings

Aeromotive fittings

Five 2-1/16 in Holes

Roll Control

and are designed for an exact port match with Dougs headers

Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - Hooker , Stahl Adapter Plate - Exhaust Port Width: 1.93" , Exhaust Port Height: 1.93" , Center Port to Gasket Top: N/A Tachometer Aeromotive fittingsUltra 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: 1978 1980 Oldsmobile Cutlass Calais 1992 1995 Chevrolet K2500 Suburban 1977 1978 GMC K35 1988 1995 Chevrolet K2500 1964 1983 Chevrolet Malibu 1987 1991 GMC R2500 Suburban 1987 1991 GMC V2500 Suburban 1980 1980