Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - Round Port - Exhaust Port Width: 1.50" , Exhaust Port Height: 1.50" , Center Port to Gasket Top: .77" Wheel & Tire Accessories Wheel Components & Accessories 2007 Chevrolet Silverado 3500 HD

2007 Chevrolet Silverado 3500 HD LTZ Extended Cab Pickup

Extended service life in methanol and ethanol

1971-1972 Plymouth Valiant

1968-1973 Mercedes-Benz 280SEL

Boss 351 Block w/9

Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - Round Port - Exhaust Port Width: 1.50" , Exhaust Port Height: 1.50" , Center Port to Gasket Top: .77" Wheel & Tire Accessories Wheel Components & Accessories 2007 Chevrolet Silverado 3500 HDUltra 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 1974 GMC K35 K3500 Pickup 1989 1991 Chevrolet R3500 1975 1978 GMC G15 1989 1991 Chevrolet V3500 1980 1980 Pontiac Firebird 1975 1978 GMC C25 Suburban 1955 1991 Chevrolet Corvette 1989 1991 Chevrolet R1500