Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - Stock , Small Race Port - Exhaust Port Width: 1.45" , Exhaust Port Height: 1.55" , Center Port to Gasket Top: .86" R07C08YXL 2" gauge has a 12"

2" gauge has a 12" flex hose with swivel chuck and pressure release valve

Simple to install with classic Hurst stick and round ball combination

Both can be triggered by a trans-brake input

metallurgy and engineering provides RACE Series performance bearings with the endurance and capability to perform where others cannot

Assemblies come with all hardware and gasket

Mr. Gasket Ultra Seal Exhaust Manifold Gaskets - SB Chevy - Stock , Small Race Port - Exhaust Port Width: 1.45" , Exhaust Port Height: 1.55" , Center Port to Gasket Top: .86" R07C08YXL 2" gauge has a 12"Ultra 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: 1979 1995 GMC C2500 Suburban 1987 1988 Chevrolet R20 Suburban 1987 1989 GMC R2500 1977 1979 Oldsmobile Omega 1977 1979 Buick Skylark 1955 1957 Chevrolet One Fifty Series 1968 1974 Chevrolet K30 Pickup 1989 1991