Cometic 4.200 MLS Head Gasket .040 - Oldsmobile Quarter-Turn Fastener Adjuster allowing you to concentrate on

allowing you to concentrate on the work at hand or taking the checkered flag

Built around AutoMeter's responsive competition grade movements

Porsche Series

Includes 1/8"NPT male to -3AN female straight

Tightest tolerances in the industry –

Cometic 4.200 MLS Head Gasket .040 - Oldsmobile Quarter-Turn Fastener Adjuster allowing you to concentrate onComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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