Cometic Head Gasket - 4.320" Bore - 0.045" Thickness - Multi-Layered Steel - BB Chevy BR1002 The RZ-62 Air also includes

The RZ-62 Air also includes Ear Cups & Ear Pads

Yukon XL 2500 2013-2000

The Momentum GT intake system outflowed the factory intake by 58% and produced 13 additional horsepower and 19 lbs

We have combined every possible add-on feature and incorporated them into each kit to give you long and improved performance from your Holley Carburetor

Cometic Head Gasket - 4.320" Bore - 0.045" Thickness - Multi-Layered Steel - BB Chevy BR1002 The RZ-62 Air also includesComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 045". 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