Cometic 90.0mm MLS Head Gasket .040 - Nissan KA24D PD900K It is designed with a

It is designed with a front of engine pickup compartment with double trap doors for oil control in reverse mount engine applications

Also keeps spring from falling out on some modern day long drop suspension packages

The RZ-65D includes dual chin curtains mounted on both top and bottom of chin bar

109 cc Chamber

Butler Built Air Ducts are used by many top NASCAR competitors

Cometic 90.0mm MLS Head Gasket .040 - Nissan KA24D PD900K It is designed with aComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". 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