What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic MLS head gasket is 0.036 inches. This thickness is achieved through the multi-layer steel design with a specific center shim layer.

Can I use this gasket with different types of engine blocks and heads?

Yes, this MLS gasket is designed to work well with aluminum heads on either aluminum or cast iron blocks. The multi-layer steel construction helps manage the shearing forces that can occur between dissimilar metals.

Does this gasket require any special sealants for installation?

No, Cometic MLS head gaskets are engineered to provide maximum sealing performance on their own and do not require the use of additional sealants.

Specifications

Brand: Cometic Gasket
Part #: C5245-034
UPC: 191070462871

Cometic Chevy Small Block 4.060 inch Bore .034 inch MLS Head Gasket (18 or 23 Deg. Heads)

Name: Cometic Chevy Small Block 4.060 inch Bore .034 inch MLS Head Gasket (18 or 23 Deg. Heads)
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-chevy-small-block-4-060-inch-bore-034-inch-mls-head-gaske-t14-515382
Price: 97.74 USD
Availability: BackOrder

$97.74

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Cometic Chevy Small Block MLS head gasket for 4.060" bore engines. Features .034" thickness and 18 or 23 degree head compatibility.

Key Features

Fits 1980-1996 Chevrolet and GMC V8 vehicles with a 4.060 inch bore and 18 or 23 degree cylinder heads.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Embossed outer layers are coated with Viton, a heat-resistant rubber material, for reliable sealing.
Compressed operating thickness is 0.036 inches.
Designed for high-output engines and does not require additional sealants.
Suitable 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 Chevrolet Gen-1 Small Block V8, getting the head gasket right is crucial for sealing combustion and coolant passages. This Multi-Layer Steel (MLS) head gasket from Cometic is built for high-output engines and offers a reliable seal without needing extra sealants.

Cometic 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 handles tough sealing environments and varying surface finishes. The center layer is stainless steel, and its thickness is varied to meet specific requirements, like the .034 inch compressed thickness on this gasket. This design is well-suited for joining aluminum heads to either aluminum or cast iron blocks, as it can manage the shearing forces that can occur between different metals.

This gasket is designed for a 4.060 inch bore and is compatible with engines using either 18 or 23-degree cylinder heads. It fits a wide range of Chevrolet and GMC V8 applications from the early 1980s through the mid-1990s, including popular models like the C10, Camaro, and Corvette.