Cometic Gasket MLX Head Gasket

2003–2019 Chrysler / Dodge / Jeep / Ram 5.7L Hemi

Part #: C15316-040

Overview

The Cometic MLX Head Gasket is engineered for high-performance sealing in 5.7L Hemi engines found across a wide range of Chrysler, Dodge, Jeep, and Ram vehicles from 2003 to 2019. Designed to provide superior combustion chamber sealing without increasing bore distortion, this gasket is ideal for enthusiasts and professionals seeking reliable durability and consistent engine performance. The MLX (Multi-Layer Stopper) technology integrates a stopper layer that enhances clamp load around the cylinder, ensuring a secure seal under demanding conditions.

Whether you are rebuilding your engine or upgrading for enhanced reliability, the Cometic MLX Head Gasket delivers precision fitment and long-lasting performance without the need for sealants or re-torquing.

Key Features

Cometic’s MLX Head Gasket incorporates advanced technology and materials to meet the rigorous demands of modern Hemi engines. Key features include:

• Multi-Layer Stopper (MLX) technology for improved combustion chamber sealing
• Integrated stopper layer to maintain clamp load and reduce bore distortion
• Constructed from the same high-quality materials as Cometic’s MLS head gaskets
• No sealants or re-torque required for installation
• Precision-engineered to OEM specifications for a perfect fit
• Compatible with a wide range of 5.7L Hemi engines across multiple vehicle models
• Durable construction designed to withstand high temperatures and pressures
• Enhances engine reliability and longevity under performance and daily driving conditions

Construction & Design

The Cometic MLX Head Gasket is crafted using premium multi-layer steel materials, ensuring excellent strength and flexibility. The integrated stopper layer is engineered to provide a consistent clamp load around the cylinder bore, minimizing distortion and maintaining optimal sealing integrity. This design allows the gasket to handle the thermal and mechanical stresses typical of high-performance 5.7L Hemi engines without compromising durability.

Manufactured to exacting standards, the gasket’s layers are precision-formed and coated to resist corrosion and wear, contributing to a longer service life and dependable performance.

Installation & Fitment

This head gasket is designed for direct replacement on 5.7L Hemi engines in Chrysler, Dodge, Jeep, and Ram vehicles from 2003 through 2019. Installation requires standard head gasket replacement procedures with no additional modifications or sealants needed. The gasket’s design eliminates the need for re-torquing, simplifying the installation process and reducing the risk of leaks.

Fitment includes but is not limited to the following models and years:

• Chrysler 300 (2011–2019)
• Dodge Challenger (2009–2019)
• Dodge Charger (2006–2018)
• Dodge Durango (2004–2009, 2011–2019)
• Dodge Magnum (2005–2008)
• Dodge Ram 1500 (2003–2010, 2011–2019)
• Dodge Ram 2500 (2003–2010, 2011–2018)
• Dodge Ram 3500 (2003–2009, 2011–2018)
• Jeep Commander (2006–2010)
• Jeep Grand Cherokee (2005–2018)

What's Included

• One Cometic MLX Head Gasket (Left Side)

Ideal For

This gasket is ideal for automotive enthusiasts, professional mechanics, and rebuilders working on 5.7L Hemi engines who demand a reliable, high-quality sealing solution. It suits applications ranging from daily driving to moderate performance upgrades, offering peace of mind with its durable construction and advanced sealing technology.

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.