Cometic BBC MLS Header Gasket Set 2.130 Round Port 20056PRB Exhaust port and bolt pattern

Exhaust port and bolt pattern are raised 3/32'' over GM L98 cylinder heads

8 Can Capacity

1971-1973 Plymouth Road Runner

LS1 Mongoose Strip

As a result

Cometic BBC MLS Header Gasket Set 2.130 Round Port 20056PRB Exhaust port and bolt patternCOMETIC 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