
Specifications
- Brand
- Cometic Gasket
- Part #
- PRO1003T-4200-040
- UPC
- 191070481346

Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.200in Bore-.040in MLS Cyl Head Gasket
$297.60
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Cometic StreetPro top end gasket kit for Chevy 350/400 Gen1 Small Block V8. Includes MLS head gasket for a solid rebuild.
Key Features
- Fits 91+ vehicle make/model combinations.
- Includes all necessary gaskets and seals for a top-end engine rebuild.
- Features a Multi-Layer Steel (MLS) cylinder head gasket.
- Cylinder head gasket has a 4.200-inch bore and is .040 inches thick.
- Designed for engines with a carburetor and all steam holes.
- Utilizes quality gasket materials like MLS, AFM, Aramid Fiber, and Armor Clad.
⚠️ 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
Cometic Gasket is known for making well-built sealing solutions for a wide range of engines. If you're rebuilding the top end of your Chevy 350 or 400 Gen 1 Small Block V8, this StreetPro kit has the gaskets and seals you'll need to get the job done right. It's designed for engines with a 4.200-inch bore and includes a Multi-Layer Steel (MLS) cylinder head gasket that's .040 inches thick, suitable for applications with a carburetor and all steam holes.
This kit uses quality gasket materials, including MLS, AFM, Aramid Fiber, and Armor Clad, ensuring a reliable seal for your engine rebuild. The MLS head gasket is a strong choice for street applications, offering good durability and sealing performance. This kit is a solid option for budget-minded street-rod builders looking for all the necessary components in one package.
This top-end gasket kit fits a broad range of vehicles, including classic Chevrolet models like the Impala, Chevelle, and El Camino, as well as GMC trucks and vans from the 1970s and early 1980s. Make sure to check the full fitment list to confirm compatibility with your specific vehicle.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- PRO1003T-4200-040
- UPC
- 191070481346
Frequently Asked Questions
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Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.200in Bore-.040in MLS Cyl Head Gasket

