Engines and Components Cylinder Heads and Components

Cometic Gasket

Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .080in MLS Cylinder Head Gasket - 4.280in Bore - LHS

$184.59

SKU: C006 C5764-080

In Stock
In Stock
Ships by Jun 19
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic C5764-080 is a left-hand side engine head gasket for the GM L18 Vortec 8100 Gen-VII Big Block V8 engine. It features a multi-layer steel construction with an outer Viton rubber coating and has a compressed operating thickness of 0.098 inches and a bore size of 4.280 inches.

Cometic MLS gaskets are suitable for aluminum heads to aluminum blocks or aluminum heads to cast iron blocks, capable of withstanding shearing forces between materials. The multiple stainless steel layers provide increased strength, rebound ability, and corrosion resistance. The Viton coating on the outer layers is heat resistant up to 482°F (250°C) and is designed for demanding sealing environments.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5764-080

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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