Cometic Cylinder Head Gasket - 4.185" Bore - 0.040" Compression Thickness - Left Side - Multi-Layered Steel - GM LS-Series RS004C1508 351C/M-400M

351C/M-400M

The BD name became recognized in 1989

Once the filter is cleaned and air dried

900 lb/hr at 9 psi

Cometic Cylinder Head Gasket - 4.185" Bore - 0.040" Compression Thickness - Left Side - Multi-Layered Steel - GM LS-Series RS004C1508 351C/M-400MComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 18 Bolt Heads. Left 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