What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic MLS head gasket is 0.040 inches. This measurement is critical for ensuring proper compression ratios and valve-to-piston clearance.

What materials are used in this head gasket?

This gasket is constructed from multiple layers of stainless steel for strength and corrosion resistance. The outer layers are coated with Viton, a heat-resistant rubber material rated up to 482 degrees Fahrenheit.

Does this gasket require any additional sealants?

No, Cometic MLS head gaskets are designed to provide maximum sealing performance without the need for additional sealants. The advanced construction and Viton coating ensure a reliable seal on their own.

Specifications

Brand: Cometic Gasket
Part #: C5248-040
UPC: 191070007232

Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Head Gasket (w/All Steam Holes)

Name: Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Head Gasket (w/All Steam Holes)
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-chevy-small-block-4-165-inch-bore-040-inch-mls-head-gaske-t14-279125
Price: 97.74 USD
Availability: InStock

$97.74

Only 1 left in stock

Cometic MLS head gasket for Chevy Small Block V8. .040in compressed thickness, 4.165in bore.

Key Features

Fits 56+ vehicle make/model combinations.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Outer layers are coated with heat-resistant Viton for reliable sealing.
Compressed operating thickness is 0.040 inches.
Features a 4.165 inch bore size.
Includes all steam holes for proper engine cooling.

⚠️ 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

Cometic Gasket is known for making well-built sealing components, and this Multi-Layer Steel (MLS) head gasket is a prime example. If you're rebuilding the top end of your Chevrolet Gen-1 Small Block V8, this gasket is designed to provide a strong seal for high-output engines. It's built with multiple layers of stainless steel, which not only increases its strength but also helps it resist corrosion and rebound from stress.

The outer layers of this gasket are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. This coating ensures a reliable seal even in harsh conditions, and it works well with both aluminum and cast iron blocks. The compressed thickness is set at 0.040 inches, and it features all the necessary steam holes for proper engine cooling. This gasket fits a wide range of vehicles, including models like the Chevrolet Camaro, GMC C1500, and Buick Regal from the early to mid-1980s.