Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Street Pro GM 1968-76 455ci OLDS Big Block 4.200 Top End Gasket Kit

$267.85

SKU: C006 PRO1009T

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 PRO1009T is a top-end gasket kit designed for Oldsmobile 455ci V8 engines from 1968-1976. It features a multi-layer steel (MLS) cylinder head gasket with a 4.200-inch bore and a thickness of .040 inches. The kit includes AFM, Aramid Fiber, and Armor Clad materials for a reliable seal.

Fitment

Fitment Guaranteed

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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 PRO1009T

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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