Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Oldsmobile Gen-2 Rocket V8 .040in MLS Cylinder Head Gasket - 4.270in Bore

$124.94

SKU: C006 C5811-040

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 C5811-040 is an engine gasket designed for Oldsmobile Gen-2 Rocket V8 engines. This Multi-Layer Steel (MLS) gasket features a 4.270-inch bore diameter and a 0.040-inch compression thickness. It is constructed with multiple stainless steel layers and includes a Viton rubber coating for enhanced sealing.

This cylinder head gasket is specifically engineered for reliable performance in various Oldsmobile V8 applications, including the 330-455ci engine variants. Its robust construction ensures durability and a strong seal under demanding engine conditions.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5811-040

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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