Exterior Components Body Panels and Components

Cometic Gasket

Cometic Chevy Gen-1 Small Block V8 .040in MLS Cylinder Head Gasket - 4.200in Bore

$287.72

SKU: C006 C5273-040

In Stock
In Stock
Ships by Jun 15
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic C5273-040 is a Multi-Layer Steel (MLS) engine gasket designed for Small Block Chevy engine families. It features a bore size of 4.200 inches and a thickness of 0.040 inches.

This MLS head gasket is constructed from multiple layers of stainless steel to provide superior strength compared to traditional gaskets. It is suitable for use with both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, and can withstand significant shearing forces.

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 C5273-040

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