Cometic 4.150" Bore Head Gasket 0.040" Thickness Multi-Layered Steel GM LS-Series - LS7 26-NSO-N-LXL The shoulder pads are improved

The shoulder pads are improved

Indexing positions the ground strap of the spark plug properly for best piston dome clearance and un-shrouds the electrode for a more even burn and possible gains of 5-15 horsepower

Includes mounting bracket and hardware

098 in Compression Thickness

Whether you prefer a manual

Cometic 4.150" Bore Head Gasket 0.040" Thickness Multi-Layered Steel GM LS-Series - LS7 26-NSO-N-LXL The shoulder pads are improvedComprised 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