Cometic 4.125" MLS Head Gasket (Each) - .030" - SB Chevy 1346004 This product is for owners

This product is for owners of LS1/LS6 engines that are looking to replace their factory water necks with a 90 deg

600 lb/in Spring Rate

Medium Red Iridium

Gauge Adapter

Street Stock Series

Cometic 4.125" MLS Head Gasket (Each) - .030" - SB Chevy 1346004 This product is for ownersComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 030". With Steam Holes. 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