What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic head gasket is 0.095 inches. This measurement is achieved through the multi-layer steel construction with a specific center shim layer.

Do I need to use any sealant with this head gasket?

No, Cometic MLS head gaskets are designed to provide maximum sealing performance without the need for additional sealants. The Viton coating on the outer layers ensures a reliable seal on its own.

What is the benefit of the Viton coating on the outer layers?

The Viton coating is a heat-resistant rubber material that can withstand temperatures up to 482 degrees Fahrenheit. This helps ensure a strong and durable seal, even in high-output engine applications.

Specifications

Brand: Cometic Gasket
Part #: C5248-095
UPC: 191070073558

Cometic Chevy Small Block 4.165 inch Bore .095 inch MLS-5 Head Gasket (w/All Steam Holes)

Name: Cometic Chevy Small Block 4.165 inch Bore .095 inch MLS-5 Head Gasket (w/All Steam Holes)
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-chevy-small-block-4-165-inch-bore-095-inch-mls-5-head-gas-t14-279198
Price: 143.45 USD
Availability: BackOrder

$143.45

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Cometic Chevy Small Block MLS-5 head gasket. Features a 4.165 inch bore and .095 inch thickness for high output engines.

Key Features

Fits 57+ vehicle make/model combinations.
Multi-Layer Steel (MLS) construction for increased strength and corrosion resistance.
Outer layers are coated with heat-resistant Viton rubber.
Compressed operating thickness is 0.095 inches.
Features a 4.165 inch bore size.
Includes all steam holes for effective heat management.

⚠️ 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

This product includes one Cometic Multi-Layer Steel (MLS) head gasket designed for Chevrolet Gen-1 Small Block V8 engines. It features a 4.165 inch bore and a compressed thickness of 0.095 inches, with all steam holes included to help manage heat. These gaskets are built to handle the demands of high-output engines and are suitable for use with both aluminum and cast iron blocks and heads.

The MLS construction uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can withstand temperatures up to 482 degrees Fahrenheit, ensuring a strong seal even under harsh conditions. This design means no additional sealants are needed, making installation more straightforward. The center layer is uncoated stainless steel and can be varied to achieve different thicknesses, like the 0.095 inches found in this particular gasket.

This gasket fits a wide range of vehicles from the early 1980s, including models like the Chevrolet C10, Camaro, and GMC C1500. It's a solid option when you're rebuilding the top end of your engine and need reliable sealing.