Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Street Pro GM 1970-85 454ci Big Block 4.375 Top End Gasket Kit

$260.10

SKU: C006 PRO1005T

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 Gasket PRO1005T is a top-end gasket kit designed for Chevrolet Mark-IV Big Block V8 engines. It features advanced gasket materials including MLS, AFM, Aramid Fiber, and Armor Clad.

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 PRO1005T

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