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Cometic GM LT1/LT4 Gen-II SB V8 .066in MLS Cyl Head Gasket-4.060in Bore-w/ Valve Pocketed Bores

Cometic Gasket · New

Cometic GM LT1/LT4 Gen-II SB V8 .066in MLS Cyl Head Gasket-4.060in Bore-w/ Valve Pocketed Bores

MPN C15520-066 · Store SKU cgsC15520-066

$134.49
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Supplier stock checked 11/8/2026, 9:34:33 AM UTC. Adding a part does not reserve it.

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Product details

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block. MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel GM LT1/LT4 Gen-II Small Block V8 .066in. MLS Cylinder Head Gasket; 4.060in. Bore; With Valve Pocketed Bores GM LT1/LT4 Gen-II Small Block V8 .066" MLS Cylinder Head Gasket, 4.060" Bore, With Valve Pocketed Bores GM LT1/LT4 Gen-II Small Block V8 Cylinder Head Gasket

Manufacturer fitment & guides

Check C15520-066 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y
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