
Specifications
- Brand
- Cometic Gasket
- Part #
- PRO1005T-4375-062
- UPC
- 191070438951

Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.375in Bore-.062in MLS Cylinder Head Gasket
$268.61
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Cometic Chevy Big Block V8 Top End Gasket Kit. Includes MLS head gaskets for a 4.375in bore, ideal for engine rebuilds.
Key Features
- Fits 1970-1985 GM Big Block V8 engines, including many Chevrolet models.
- Top-end gasket kit designed for engine rebuilds.
- Includes Multi-Layer Steel (MLS) cylinder head gaskets.
- Head gaskets are sized for a 4.375-inch bore.
- Cylinder head gaskets have a .062-inch thickness.
- Features quality gasket materials suitable for street performance.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
If you're rebuilding the top end of your Chevy Mark-IV Big Block V8, this Cometic StreetPro gasket kit is a solid option. It's designed to give you all the gaskets and seals you'll need to get that engine back together, covering a wide range of GM Big Block V8 applications from 1970 through 1985, including popular models like the Chevrolet C10 Pickup and Caprice.
This kit focuses on the top end, featuring Multi-Layer Steel (MLS) cylinder head gaskets. These gaskets are built to handle the pressures and temperatures of a performance V8, with a specific 4.375-inch bore size and a .062-inch thickness. Cometic uses quality gasket materials in their StreetPro line, which can include MLS, AFM, Aramid Fiber, and Armor Clad, ensuring a reliable seal for your rebuild.
Purchasing a complete kit like this saves you time hunting down individual parts. For a full engine overhaul, you can also pick up a matching bottom-end kit from Cometic's StreetPro line.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- PRO1005T-4375-062
- UPC
- 191070438951
Frequently Asked Questions
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Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.375in Bore-.062in MLS Cylinder Head Gasket

