Cometic 4.630 MLS Head Gasket .120 - BB Chevy NACA Duct These spindles are IMCA

These spindles are IMCA

Heavy Duty Bronze Gears

GM Fullsize Truck 2020-24

Forward / Reverse Pattern

Amalie Pro Two-Cycle TC-W 3(R) RL oil is recommended for all water cooled two cycle engines

Cometic 4.630 MLS Head Gasket .120 - BB Chevy NACA Duct These spindles are IMCAComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 120". 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