What is the compressed thickness of this head gasket?

When properly installed and compressed, this head gasket has an operating thickness of 0.098 inches. The initial thickness before compression is 0.080 inches.

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 without the need for additional sealants. The Viton coating on the outer layers ensures a strong seal on its own.

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

Viton is a heat-resistant rubber material that can withstand high temperatures up to 482°F (250°C). It's used on the outer layers of this gasket to meet the demands of harsh sealing environments and ensure a durable, reliable seal.

Specifications

Brand: Cometic Gasket
Part #: C5749-080

Cometic Gasket Chrysler 5.7L Gen-3 Hemi .080in MLS Cylinder Head Gasket 4.100in Bore RHS

Name: Cometic Gasket Chrysler 5.7L Gen-3 Hemi .080in MLS Cylinder Head Gasket 4.100in Bore RHS
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-gasket-chrysler-5-7l-gen-3-hemi-080in-mls-cylinder-head-g-t14-711921
Price: 164.90 USD
Availability: BackOrder

$164.90

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Cometic Gasket Chrysler 5.7L Gen-3 Hemi .080in MLS Cylinder Head Gasket 4.100in Bore RHS. Built with multiple stainless steel layers and Viton coating for a strong seal.

Key Features

Fits 2005-2015 Chrysler 300, 2009-2015 Dodge Challenger, 2006-2015 Dodge Charger, and many other 5.7L Hemi applications.
Multi-Layer Steel (MLS) construction offers increased strength and rebound resistance.
Outer layers are coated with Viton, a heat-resistant rubber material suitable for harsh sealing environments.
Designed for high-output engines and requires no additional sealants.
Suitable for sealing between aluminum heads and aluminum blocks, or aluminum heads and cast iron blocks.
Features a compressed operating thickness of 0.098 inches and a bore size of 4.100 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

Starting with a .080 inch compressed thickness and a 4.100 inch bore, this Cometic Multi-Layer Steel (MLS) head gasket is built for the demands of Chrysler's 5.7L Gen-3 Hemi engines. It's designed to provide a maximum seal, especially for high-output applications, and works well with both aluminum and cast iron blocks. You won't need any extra sealants with this gasket; it's made to seal on its own.

The construction uses multiple layers of stainless steel, which gives it increased strength and the ability to rebound, helping it resist corrosion and withstand shearing forces between different block materials. The outer layers are coated on both sides with Viton, a heat-resistant rubber material that can handle tough sealing environments and various surface finishes. The center layer is stainless steel and can be varied to achieve different thicknesses, like the .080 inch on this particular gasket.

This gasket fits a wide range of Chrysler, Dodge, Jeep, and Ram vehicles from the mid-2000s to mid-2010s. It's a solid option when you need a reliable seal for your Hemi engine rebuild.