Cometic 4.100" Bore Head Gasket 0.051" Thickness Multi-Layered Steel SB Chevy AA0710AG1S63 25" x 25" x 10"

25" x 25" x 10"

Aerodynamic fiberglass nose is strong yet lightweight

and low lateral impact

1986-1993 Ford Thunderbird

2006-2016 GMC Savana 2500

Cometic 4.100" Bore Head Gasket 0.051" Thickness Multi-Layered Steel SB Chevy AA0710AG1S63 25" x 25" x 10"Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 051". Round Bore. 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