What is the compressed thickness of this head gasket?

When properly installed and compressed, this Cometic head gasket has an operating thickness of .036 inches. The uncompressed thickness is .054 inches.

Do I need to use any sealant with this gasket?

No, Cometic Multi-Layer Steel (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 tight seal.

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

Viton is a type of synthetic rubber that is highly resistant to heat, withstanding temperatures up to 482 degrees Fahrenheit. It's used on the outer layers of this gasket to ensure a durable and reliable seal in demanding engine conditions.

Specifications

Brand: Cometic Gasket
Part #: C5447-054
UPC: 191070126919

Cometic Chrysler Gen-2 Hemi .054in MLS Cylinder Head Gasket - 4.500in Bore

Name: Cometic Chrysler Gen-2 Hemi .054in MLS Cylinder Head Gasket - 4.500in Bore
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-chrysler-gen-2-hemi-054in-mls-cylinder-head-gasket-4-500i-t14-807160
Price: 111.49 USD
Availability: BackOrder

$111.49

On Backorder

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

Cometic Chrysler Gen-2 Hemi .054in MLS Cylinder Head Gasket - 4.500in Bore. Built with multiple stainless steel layers and Viton coating for a strong seal.

Key Features

Fits 1966-1971 Dodge Challenger, Charger, Coronet, Plymouth Barracuda, Cuda, GTX, Road Runner, and more.
Multi-Layer Steel (MLS) construction offers increased strength and rebound resistance.
Embossed outer layers are coated with heat-resistant Viton rubber for a reliable seal.
Designed for a 4.500-inch bore and has a compressed operating thickness of .036 inches.
No sealants are required for installation, simplifying the process.
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

This Cometic Multi-Layer Steel (MLS) head gasket is designed for Chrysler Gen-2 Hemi engines, featuring a 4.500-inch bore and a compressed thickness of .054 inches. It's built with multiple embossed layers of stainless steel, with the outer layers coated in Viton rubber. This construction is ideal for high-output engines and works well with both aluminum and cast iron blocks, resisting the shearing forces that can occur between different metals. The Viton coating can handle temperatures up to 482 degrees Fahrenheit, making it suitable for demanding sealing environments.

The center layer of this gasket is uncoated stainless steel, which allows for variations in thickness to meet specific engine requirements. Because it's an MLS gasket, it doesn't require any additional sealants, simplifying installation. This gasket fits a range of classic Mopar V8 vehicles, including models like the Dodge Challenger, Plymouth Barracuda, and Dodge Charger from the late 1960s and early 1970s.