Cometic GM LS1 SB 4.130 inch Bore .120 inch MLS Head Gasket 1968-buick-skylark-custom-esi6860074 New age engine builds require

New age engine builds require new age valve stem seals and we have them

This 7-1/2” tall 360-degree radial flow air filter features a 4” flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience

We also offer cat-back conversions for customers who go with an Axleback first

This kit includes everything needed to achieve 4-inches of front lift for2011-2016 trucks with level rack front to rear

Cometic GM LS1 SB 4.130 inch Bore .120 inch MLS Head Gasket 1968-buick-skylark-custom-esi6860074 New age engine builds requireComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 120". 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