What is the advantage of a Multi-Layer Steel (MLS) head gasket?

MLS head gaskets are made from multiple layers of stainless steel, which gives them increased strength and better resistance to corrosion compared to older gasket types. They are also designed to rebound and maintain their seal under high stress.

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

No, this Cometic MLS head gasket is designed to provide maximum sealing performance on its own. The Viton coating on the outer layers ensures a tight seal without the need for any additional sealants.

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°F. It's used on the outer layers of the gasket to create a durable and reliable seal in harsh engine environments.

Specifications

Brand: Cometic Gasket
Part #: C5454-027
UPC: 191070032357

Cometic Chrysler Gen-2 Hemi .027in MLS Cylinder Head Gasket - 4.280in Bore

Name: Cometic Chrysler Gen-2 Hemi .027in MLS Cylinder Head Gasket - 4.280in Bore
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-chrysler-gen-2-hemi-027in-mls-cylinder-head-gasket-4-280i-t14-807171
Price: 106.53 USD
Availability: BackOrder

$106.53

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Cometic Chrysler Gen-2 Hemi .027in MLS Cylinder Head Gasket - 4.280in Bore. Ensures a solid seal for high-output engines.

Key Features

Fits a wide range of Chrysler Gen-2 Hemi engines from 1966-1971.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Outer layers are coated with Viton, a heat-resistant elastomer rated up to 482°F.
Designed for use with aluminum heads to aluminum blocks or aluminum heads to cast iron blocks.
Requires no additional sealants for installation.
Compressed operating thickness is 0.027 inches.

⚠️ 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 a classic Chrysler Gen-2 Hemi engine, getting the cylinder head gasket right is crucial for a strong seal. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of these powerful V8s, fitting a range of vehicles like the Dodge Charger, Plymouth Barracuda, and Dodge Challenger from the late 60s and early 70s.

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 can handle temperatures up to 482°F and works well with both aluminum and cast iron blocks. This construction means the gasket provides excellent sealing performance without needing any additional sealants, making your rebuild process smoother. The compressed thickness is a precise 0.027 inches, designed to maintain proper compression ratios.