Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Oldsmobile 330-455 V8 4.2 inch Bore .027 inch MLS Head Gasket

$299.94

SKU: C006 C5809-027

In Stock
In Stock
Ships by Jun 13
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cometic C5809-027 is a Multi-Layer Steel (MLS) head gasket designed for Oldsmobile 330-455 V8 engines. It features a compressed operating thickness of 0.027 inches and a bore diameter of 4.200 inches. The outer layers are coated with Viton rubber, a heat-resistant material suitable for demanding sealing environments. This gasket provides maximum sealing performance for high-output engines and does not require sealants.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5809-027

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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