What is the compressed thickness of this head gasket?

The compressed operating thickness for this Cometic MLS head gasket is 0.120 inches. This measurement is important for ensuring proper compression ratios and valve-to-piston clearance in your engine build.

Do I need to use any sealant with this gasket?

No, this Cometic Multi-Layer Steel (MLS) head gasket does not require any additional sealants. The Viton coating on the outer layers provides the necessary sealing performance on its own.

What is Viton and why is it used on this gasket?

Viton is a heat-resistant rubber material designed to withstand harsh sealing environments and high temperatures, up to 482 degrees Fahrenheit (250 C). It's applied to the outer layers of the gasket to ensure a durable and reliable seal between the cylinder head and the engine block.

Specifications

Brand: Cometic Gasket
Part #: C5645-120
UPC: 191070136468

Cometic 92-96 GM LT1 Small Block 4.040 inch Bore .120 inch MLS Head Gasket (w/Valve Pockets)

Name: Cometic 92-96 GM LT1 Small Block 4.040 inch Bore .120 inch MLS Head Gasket (w/Valve Pockets)
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-92-96-gm-lt1-small-block-4-040-inch-bore-120-inch-mls-hea-t14-279482
Price: 249.06 USD
Availability: BackOrder

$249.06

On Backorder

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Cometic MLS head gasket for 92-96 GM LT1 Small Block V8 engines. 4.040" bore, .120" thick.

Key Features

Fits 1992-1996 GM LT1/LT4 Gen-2 Small Block V8 engines.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Outer layers are coated with Viton, a heat-resistant elastomer suitable for harsh sealing environments.
Compressed operating thickness is 0.120 inches.
Bore size is 4.040 inches, designed for specific LT1/LT4 engine configurations.
No sealants are required for installation.

⚠️ 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 well-known for making solid sealing solutions, and this Multi-Layer Steel (MLS) head gasket is a prime example for your GM LT1 or LT4 Gen-2 Small Block V8 engine. If you're rebuilding the top end of your engine, especially for higher output applications, a quality head gasket is crucial for maintaining compression and preventing leaks between the cylinder head and the engine block. This gasket is designed to handle the demands of these engines, ensuring a reliable seal.

This gasket is built with multiple layers of stainless steel, which gives it increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle harsh sealing environments and varying surface finishes, making it suitable for both aluminum and cast iron blocks. With a compressed operating thickness of 0.120 inches and a bore size of 4.040 inches, it's made to fit specific LT1/LT4 engine configurations. Because it's an MLS gasket, it doesn't require any additional sealants, simplifying the installation process.

This gasket fits a range of vehicles, including models like the Chevrolet Camaro, Corvette, and Pontiac Firebird from the mid-90s. It's a well-built component designed for engines that need a dependable seal.