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Est. 1957
Cometic Gasket

Cometic Chevy Small Block 4.200 inch Bore .060 inch MLS-5 Head Gasket (w/All Steam Holes)

$131.62

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Cometic Chevy Small Block MLS head gasket, 4.200" bore, .060" thick. Built for high output engines.

Key Features

  • Fits 1980-1986 Chevrolet and GMC vehicles with Chevy Gen-1 Small Block V8 engines.
  • Multi-layer steel (MLS) construction offers increased strength and corrosion resistance.
  • Features a 4.200 inch bore and a compressed operating thickness of 0.060 inch.
  • Outer layers are coated with heat-resistant Viton rubber for a reliable seal.
  • Includes all necessary steam holes for optimal engine cooling.
  • Designed for use with aluminum heads on aluminum or cast iron blocks.

⚠️ 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

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About this part

Product Details

If you're rebuilding the top end of your Chevy small block V8, getting the head gaskets right is crucial for a solid seal. This Cometic MLS gasket is built for engines with a 4.200 inch bore and a compressed thickness of .060 inch, and it includes all the steam holes needed for proper cooling system function.

Cometic uses a multi-layer steel (MLS) construction for these gaskets, which means they're made from several layers of stainless steel. This design offers increased strength and helps prevent corrosion, making them a good choice for engines with aluminum heads bolted to cast iron blocks. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing conditions and various surface finishes, and they don't require any additional sealants to do their job.

This gasket is designed to fit a wide range of Chevrolet and GMC vehicles from the early to mid-80s, including popular models like the C10, Camaro, and Caprice. Make sure to check the fitment details to confirm it's the right part for your specific application.

Specifications

Brand
Cometic Gasket
Manufacturer Part #
C5249-060
UPC
191070016364

Frequently Asked Questions

Cometic Chevy Small Block 4.200 inch Bore .060 inch MLS-5 Head Gasket (w/All Steam Holes)

$131.62