Gaskets and Seals Engine Gaskets and Seals

Cometic Gasket

GM LS1 SB 4.000IN BORE

$117.62

SKU: C006 C5477-051

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic C5477-051 is a head gasket designed for GM LS1 small block engines. It features a Multi-Layer Steel (MLS) construction for maximum sealing performance. This gasket has a compressed thickness of .051 inches and a bore size of 4.000 inches.

This MLS head gasket is ideal for high-output engines and does not require sealants. It is suitable for use with aluminum heads.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5477-051

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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