Cometic Cylinder Head Gasket - 4.125 in Bore - 0.036 in Compression Thickness - Small Block Chevy DEW32-4139013A The PHR006 features BMR's CNC-machined

The PHR006 features BMR's CNC-machined center adjuster

This manifold comes with a 105MM LS throttle body flange top

Remote Socket

SK Light Modified

Posi-Quiet

Cometic Cylinder Head Gasket - 4.125 in Bore - 0.036 in Compression Thickness - Small Block Chevy DEW32-4139013A The PHR006 features BMR's CNC-machinedComprised 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