Cometic 4.280 MLS Head Gasket BB Chevy - 8.1L RH Mercury Marine 29004BK these are the ultimate for

these are the ultimate for NMRA Renegade or Hot Street classes

Direct Flow Chin Bar Ventilation and Air Intake To Maximize Ventilation

Better driver ventilation

Triple 450Aeromotive Inc

Cometic 4.280 MLS Head Gasket BB Chevy - 8.1L RH Mercury Marine 29004BK these are the ultimate forComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". Right Side. 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