Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Ford Big Block 4.40in Bore .027 Compressed Thickness MLS Head Gasket

$122.27

SKU: C006 C5666-027

In Stock
In Stock
Ships by Jun 10
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cometic C5666-027 is a multi-layer steel (MLS) engine gasket designed for Ford 385 Series engines. It features a 4.40-inch bore diameter and a compressed thickness of 0.027 inches. This gasket is constructed with stainless steel layers and an outer Viton rubber coating, making it suitable for demanding sealing environments.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5666-027

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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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