Cometic 4.065" MLS Head Gasket (Each) - .030 - SB Chevy Cast Iron Heads, Dart YA0817G 1977-1978 GMC Jimmy

1977-1978 GMC Jimmy

Image is for reference only and shows model BB122E

NPT connections and nylon tubing for installation

No complicated setup or adjustments required

Cometic 4.065" MLS Head Gasket (Each) - .030 - SB Chevy Cast Iron Heads, Dart YA0817G 1977-1978 GMC JimmyComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 030". Round Bore. 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