Cometic Gasket MLS Head Gasket

2003–2015 Dodge / Chrysler / Jeep / Ram 5.7L Gen-3 Hemi

Part #: C5467-027

Overview

The Cometic Gasket MLS (Multi-Layer Steel) Head Gasket is a premium replacement designed specifically for the 5.7L Gen-3 Hemi engine found in a wide range of Dodge, Chrysler, Jeep, and Ram vehicles from 2003 through 2015. Engineered to provide a durable and reliable seal between the cylinder head and engine block, this gasket is ideal for both daily drivers and performance enthusiasts who demand consistent engine integrity under high stress and extreme conditions.

Whether you are performing a routine engine rebuild, upgrading your vehicle for towing, or enhancing performance, the Cometic MLS head gasket offers superior sealing capabilities that help maintain optimal compression and prevent leaks. Its robust construction ensures long-lasting durability, reducing the risk of head gasket failure and the need for frequent replacements.

Key Features

Cometic’s MLS head gasket incorporates advanced materials and design features to deliver exceptional performance and longevity. Key highlights include:

• Multi-layer steel construction with three to five layers for enhanced strength and durability
• Stainless steel layers provide excellent rebound capability and corrosion resistance
• Embossed outer layers coated with heat-resistant Viton rubber for superior sealing under high temperatures
• Viton coating withstands temperatures up to 250°C (482°F), suitable for demanding engine environments
• Precisely engineered 3.950-inch bore size to match exact 5.7L Gen-3 Hemi specifications
• Designed to accommodate varying load conditions and surface finishes for reliable sealing
• Wide compatibility across Dodge, Chrysler, Jeep, and Ram models equipped with the 5.7L Gen-3 Hemi engine
• Improved gasket longevity reduces maintenance frequency and enhances engine reliability

Construction & Design

The Cometic MLS head gasket is crafted from multiple layers of premium stainless steel, combining strength with flexibility to maintain a consistent seal through the thermal expansion and contraction cycles typical of high-performance engines. This multi-layer design ensures the gasket adapts to surface irregularities, preventing leaks and preserving engine compression.

Each outer layer is embossed and coated with Viton rubber, a synthetic fluoropolymer known for its outstanding heat resistance and chemical stability. This coating enhances the gasket’s ability to seal combustion gases and coolant passages effectively, even under harsh operating conditions. The precision engineering guarantees a perfect fit and optimal sealing surface, minimizing the risk of head gasket failure.

Installation & Fitment

This head gasket is a direct replacement for the 5.7L Gen-3 Hemi engines installed in various Dodge, Chrysler, Jeep, and Ram models from 2003 to 2015. Installation follows standard head gasket replacement procedures and should be performed by a qualified technician to ensure proper torque specifications and surface preparation. No modifications are necessary, making it a straightforward and reliable upgrade or repair part.

What's Included

• One Cometic MLS Head Gasket for 5.7L Gen-3 Hemi (.027 inch thickness)

Ideal For

This gasket is perfect for vehicle owners, mechanics, and performance enthusiasts who require a high-quality, durable sealing solution for the 5.7L Gen-3 Hemi engine. It is well-suited for daily driving, towing, heavy-duty applications, and engine rebuilds or upgrades where reliability and longevity are paramount.

Fitment Summary

This Cometic MLS head gasket fits the following vehicles equipped with the 5.7L Gen-3 Hemi engine:

• 2003–2010, 2011–2015 Dodge Ram 1500
• 2003–2010, 2011–2015 Dodge Ram 2500
• 2003–2009, 2011–2015 Dodge Ram 3500
• 2004–2015 Dodge Durango
• 2005–2015 Chrysler 300
• 2005–2008 Dodge Magnum
• 2005–2015 Jeep Grand Cherokee
• 2006–2015 Dodge Charger
• 2009–2015 Dodge Challenger
• 2006–2010 Jeep Commander
• 2005–2010 Chrysler 300C

Cometic Gasket supplies high-performance sealing solutions for motorsports and high-stress engine builds, with a strong focus on modern gasket materials like multi-layer steel (MLS) head gaskets. Their catalog spans head gaskets and complete gasket sets across a wide range of applications, helping builders maintain reliable combustion and fluid sealing under extreme pressure and heat.