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Cometic 4.320" Bore Head Gasket 0.030" Thickness Multi-Layered Steel BB Chevy 42031BK Chevrolet Mark-IV Big Block V8

SKU 43460930431
4.2
Cometic 4.320
Cometic 4.320
Cometic 4.320
Cometic 4.320
Description

Chevrolet Mark-IV Big Block V8 Rear Main Seal

1 in to 2 in

66 x 98 in

Outer Bearings / Races / Seals

30-2320 - X-WiFi Wideband/EGT Controller

Cometic 4.320" Bore Head Gasket 0.030" Thickness Multi-Layered Steel BB Chevy 42031BK Chevrolet Mark-IV Big Block V8Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 030". 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

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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