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Engines and Components› Cylinder Heads and Components

Cometic Gasket

Cometic Chevy Mark-IV Big Block V8 .040in MLS Cylinder Head Gasket - 4.580in Bores

$109.94 $98.94 Save $11.00

SKU: C006 C15513-040

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INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: C15513-040

The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.

Chevrolet Mark-IV Big Block V8 .040in. MLS Cylinder Head Gasket | 4.580in. Bore | Valve Pocketed Bores

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The Cometic C15513-040 is a Multi-Layer Steel (MLS) cylinder head gasket designed for Chevrolet Mark-IV Big Block V8 engines. It features a .040 inch thickness and a 4.580 inch bore diameter. The gasket utilizes HP shim technology to increase clamp load around the combustion chamber, enhancing sealability, particularly for open deck blocks.

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C15513-040

Videos

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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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