Cometic Chevrolet Mark-IV Big Block V8 .060in MLS Cylinder 4.320in Bore Head Gasket 1999-audi-a6-esi5268257 Just what you'd expect from

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9% CFM GAIN (passenger side) to your engine and provides an increase of 27

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Installing the kit requires slight modification to the existing vehicle

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Cometic Chevrolet Mark-IV Big Block V8 .060in MLS Cylinder 4.320in Bore Head Gasket 1999-audi-a6-esi5268257 Just what you'd expect fromComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 060". 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