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Cometic Gasket

Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.630in Bore-.045in MLS Cylinder Head Gasket

$425.50

SKU: C006 PRO1005T-4630-045

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cometic StreetPro Top End Gasket Kit PRO1005T-4630-045 is designed for Chevrolet Mark IV Big Block V8 engines, providing essential gaskets and seals for rebuilds. It features high-quality materials like MLS, AFM, Aramid Fiber, and Armor Clad, crucial for preventing leaks between the engine block and cylinder heads.

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-4630-045

Videos

Reviewing Cometic's MLX Head Gaskets

Reviewing Cometic's MLX Head Gaskets
Big block head gaskets

Big block head gaskets

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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