Cometic Cylinder Head Gasket - 4.500 in Bore - 0.051 in Compression Thickness - Big Block Ford COM146-456-11 These high quality catalytic converters

These high quality catalytic converters are manufactured in the USA

1971-1976 Oldsmobile Custom Cruiser

Great looking modification with real functionality

Twin 65mm bore Throttle Body Opening for maximum airflow

1996-2001 Chevrolet Blazer LT

Cometic Cylinder Head Gasket - 4.500 in Bore - 0.051 in Compression Thickness - Big Block Ford COM146-456-11 These high quality catalytic convertersComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two