
Cometic Gasket · New
Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece
MPN C5681 · Store SKU cgsC5681
Supplier stock checked 11/7/2026, 10:42:21 AM UTC. Adding a part does not reserve it.
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Product details
COMETIC Viton is a fluoroelastomer, or high end rubber. Top of the scale for heat resistance, chemical resistance and durability. Viton with Larger 2.841" O.D. Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal, Align Honed 400 & Aluminum Block, 2 Piece Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal; Align Honed 400/Aluminum Block; 2 Piece Chevrolet 1955-1985 Gen-1 Small Block V8 Rear Main Seal
Manufacturer fitment & guides
Check C5681 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y