Cometic Mercury Marine Chevy Mark-IV-GM Gen-V/VI Big Block V8 .040in MLS Cyl Head Gskt-4.510in Bore Tail Lamps NX4-XTSS kit features an Xtreme

NX4-XTSS kit features an Xtreme pressure plate for the most demanding driver

NOTE: See Important CARB/EPA notes for this product

bacteria and germs

MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24118 helps keep the check engine light off

Fits most Manual transmission

Cometic Mercury Marine Chevy Mark-IV-GM Gen-V/VI Big Block V8 .040in MLS Cyl Head Gskt-4.510in Bore Tail Lamps NX4-XTSS kit features an XtremeComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 036". World Products Man o War Block. 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