
Specifications
- Brand
- Cometic Gasket
- Part #
- PRO1005T-4375-027
- UPC
- 191070481391

Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.375in Bore-.027in MLS Cylinder Head Gasket
$378.32
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Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.375in Bore-.027in MLS Cylinder Head Gasket. A well-built kit for rebuilding your engine.
Key Features
- Fits 1970-1985 Chevrolet and GMC vehicles with Mark-IV Big Block V8 engines.
- Includes all necessary gaskets and seals for a top-end engine rebuild.
- Features Multi-Layer Steel (MLS) head gaskets for reliable sealing.
- Head gaskets are .027 inches thick and designed for a 4.375-inch bore.
- Kit materials include MLS, AFM, Aramid Fiber, and Armor Clad for durability.
⚠️ 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 Chevrolet Mark-IV Big Block V8, this Cometic StreetPro gasket kit is a solid option. It includes all the gaskets and seals you'll need to get the job done right. This kit is designed for engines with a 4.375-inch bore and features Multi-Layer Steel (MLS) head gaskets that are .027 inches thick, providing a good balance for performance and reliability in street applications.
Cometic StreetPro kits are put together with budget-minded builders in mind, focusing on quality gasket materials. You'll find a mix of materials like MLS, AFM, Aramid Fiber, and Armor Clad, chosen for their durability and sealing capabilities. This kit fits a wide range of Chevrolet and GMC vehicles from the 1970s and early 1980s, including popular models like the Chevrolet Impala, C10 Pickup, and GMC C15 Suburban, making it a versatile choice for many classic V8 projects.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- PRO1005T-4375-027
- UPC
- 191070481391
Frequently Asked Questions
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Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.375in Bore-.027in MLS Cylinder Head Gasket

