Cometic BBC MLS Header Gasket Set 2.130 Round Port SHR20CS3 4L blocks in

4L blocks in

1985-1990 Buick Electra

1982-1986 Chevrolet G20

1963-1967 Chevrolet C10 Panel

weather systems

Cometic BBC MLS Header Gasket Set 2.130 Round Port SHR20CS3 4L blocks inCOMETIC MLS (Multi Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. This exhaust gasket features 2. 130" Round Port. Vehicle Applications: 1987 1991 GMC R3500 1973 1974 Chevrolet