Gaskets and Seals Engine Gaskets and Seals

Cometic Gasket

Cometic GM 500 DRCE 2 Pro Stock V8 .040in MLS Cylinder Head Gasket - 4.700in Bore

$157.13

SKU: C006 C5450-040

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cometic C5450-040 is a Multi-Layer Steel (MLS) head gasket designed for high-output engines. It features outer layers with a Viton rubber coating and a compressed operating thickness of 0.040". This gasket is ideal for applications involving aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, offering maximum sealing performance without the need for sealants. All Cometic products are manufactured in the United States.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCometic Gasket
Part NumberC006 C5450-040

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.

View Full Return Policy