Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Buick 400/430/455 V8 4.400 inch Bore .086 inch MLS-5 Head Gasket

$184.59

SKU: C006 C5755-086

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic C5755-086 is a Multi-Layer Steel (MLS) engine gasket designed for Buick V8 GAS engines with a 7.5L/455 cubic inch displacement and a 4.400-inch bore size. This gasket features a compressed operating thickness of 0.086 inches and is constructed with 5 layers of steel.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5755-086

Buy with Confidence

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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