Cometic Honda Civic 1.7L D171 76mm .027 inch MLS Head Gasket D17 2012-gmc-sierra-2500-hd-esi4999335 internal bores and -8 AN

internal bores and -8 AN o-ring thread

The system is constructed using T-304 stainless steel and is backed by our Million Mile Warranty

They're designed to clear all production and many aftermarket components and then 'E' coated and painted black for an attractive appearance

A series of Viton O-rings and the appropriate standoff extensions are included with each kit to ensure a leak-free seal and OEM fit and finish

Cometic Honda Civic 1.7L D171 76mm .027 inch MLS Head Gasket D17 2012-gmc-sierra-2500-hd-esi4999335 internal bores and -8 ANComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 027". 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