Gaskets and Seals Engine Gaskets and Seals

Cometic Gasket

Cometic GM LS1 SB 4.060 inch Bore .089 inch MLS-5 Head Gasket

$162.33

SKU: C006 C5751-089

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cometic C5751-089 is a multi-layer stainless steel (MLS) cylinder head gasket designed for GM LS Gen-3/4 small block V8 engines. It features a 4.060-inch bore and a compressed thickness of 0.089 inches. The gasket is constructed from multiple embossed stainless steel layers and utilizes a Viton rubber coating on the outer layers for enhanced sealing performance.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C5751-089

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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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