Cometic Cylinder Head Gasket - 4.125 in Bore - 0.030 in Compression Thickness - Small Block Chevy BRH0007B0W0900M If you use exotic fuels

If you use exotic fuels or additives such as alcohol

An industry breakthrough when introduced in 1992

The low resistance results in less loss in spark energy so more reaches the spark plug

1974-1974 Dodge M350

Cometic Cylinder Head Gasket - 4.125 in Bore - 0.030 in Compression Thickness - Small Block Chevy BRH0007B0W0900M If you use exotic fuelsComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 036". World Products Man o War Block. 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