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Cometic GM Gen 5/6 Big Block V8 Rear Main Seal Kit - 1 Piece

Cometic Gasket · New

Cometic GM Gen 5/6 Big Block V8 Rear Main Seal Kit - 1 Piece

MPN C5087 · Store SKU cgsC5087

$35.65
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Supplier stock checked 11/7/2026, 9:17:37 AM UTC. Adding a part does not reserve it.

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Product details

Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability GM Gen-V/VI Big Block V8 Rear Main Seal Kit; 1 Piece GM Gen-V/VI Big Block V8 Rear Main Seal Kit, 1 Piece GM Gen-V/VI Big Block V8 Rear Main Seal Kit Rear Main Seal

Manufacturer fitment & guides

  • GM 1990+Gen 5/6 Big Block
  • Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

Part-specific notes

  • California Proposition 65: Y
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