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 Note 3 - this product

Note 3 - this product has been granted a California Air Resources Board (CARB) exemption

and are designed for an exact port match with Dougs headers

3-foot single eyelet on one end/threaded on the other

Mobil 1 0W-40 is an exceptionally wide viscosity grade oil

7 in Diameter Tank

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 Note 3 - this productUltra 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