Cometic 4.150" Bore Head Gasket 0.040" Thickness Multi-Layered Steel GM LS-Series - LS7 H764C35M 2-1/2 / 3 in Width

2-1/2 / 3 in Width

The middle layer consists of Nomex(R) batting which is an inherently fire-retardant aramid fabric

2-1/2 in Coil-Over Springs

5% FS (+/- 2

1972-1972 Chevrolet K20 Suburban

Cometic 4.150" Bore Head Gasket 0.040" Thickness Multi-Layered Steel GM LS-Series - LS7 H764C35M 2-1/2 / 3 in WidthComprised 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