Cometic 4.080 MLS Head Gasket .060 - SBM 4704021-10-L On-Change and Start-up pages

On-Change and Start-up pages

Each header is manufactured with 1-3/4 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds

With a superior line of products designed to outperform and outlast the competition

1980-1985 GMC C1500 Suburban

Breathers sold separately

Cometic 4.080 MLS Head Gasket .060 - SBM 4704021-10-L On-Change and Start-up pagesComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 060". 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