Cometic Gasket MLS Head Gasket

2011–2024 Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, Ram 2500/3500 6.4L 392 HEMI

Part #: C5026-092

Overview

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered specifically for Dodge 6.4L 392 HEMI engines produced between 2011 and 2024. Designed to provide a superior seal under high cylinder pressures and thermal cycling, this gasket is an essential upgrade for performance enthusiasts, engine builders, and professional mechanics. It ensures reliable durability and leak-free operation, maintaining optimal compression and preventing coolant or oil leaks during demanding street or racing applications.

Whether you are rebuilding your engine or upgrading for enhanced performance, the Cometic MLS head gasket delivers a precision fit without the need for additional sealants, simplifying installation and maximizing engine integrity and efficiency.

Key Features

Cometic MLS head gaskets utilize advanced materials and design to meet the rigorous demands of modern high-output engines. Key features include:

• Multiple embossed layers of stainless steel for enhanced strength and durability
• Outer layers coated with Viton rubber, a heat-resistant elastomer rated up to 250°C (482°F)
• Compressed operating thickness of 0.036" for precise and consistent sealing
• Engineered to withstand shearing forces between aluminum cylinder heads and cast iron or aluminum blocks
• Corrosion-resistant materials to extend gasket lifespan
• No sealants required, reducing installation complexity and ensuring consistent performance
• Center shim layer of uncoated stainless steel allows for customizable thickness adjustments
• Perfect fitment for World Products Man-o-War blocks

Construction & Design

The Cometic MLS head gasket features a robust multi-layer steel construction, combining several embossed stainless steel layers to provide exceptional strength, flexibility, and sealing capability. The outer layers are coated with Viton, a premium fluorocarbon elastomer known for its outstanding heat resistance and chemical stability, ensuring a reliable seal under extreme temperatures and pressures.

This gasket is engineered to accommodate the differing expansion rates of aluminum heads and cast iron or aluminum blocks, preventing leaks caused by material shearing. The uncoated stainless steel shim layer in the center allows for precise thickness customization, ensuring a perfect fit and optimal compression sealing for your Dodge 6.4L 392 HEMI engine.

Installation & Fitment

This MLS head gasket is a direct replacement for Dodge 6.4L 392 HEMI engines from 2011 through 2024. It is compatible with a wide range of vehicles including the 2015–2019 Jeep Grand Cherokee 6.4L SRT, 2018–2019 Dodge Durango 6.4L 392, 2012–2019 Dodge Charger 6.4L 392, 2011–2019 Dodge Challenger 6.4L 392, 2014–2018 Ram 3500 and 2500 6.4L 392, 2012–2014 Jeep Grand Cherokee 6.4L SRT8, and 2012–2014 Chrysler 300 6.4L 392.

Installation follows standard head gasket replacement procedures with no additional sealants required, which reduces installation time and complexity. Proper surface preparation and adherence to manufacturer torque specifications are essential to maximize gasket performance and longevity.

What's Included

• One Cometic MLS Head Gasket with 4.120" bore and 0.092" compressed thickness

Ideal For

This head gasket is ideal for performance enthusiasts, professional engine builders, and mechanics working on Dodge 6.4L 392 HEMI engines who require a high-quality, durable gasket capable of withstanding high cylinder pressures and thermal cycling. It is perfectly suited for both street-driven vehicles and racing applications where sealing integrity and reliability are critical.

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.