Cometic Gasket MLS-5 Head Gasket

2005–2010 Chrysler 300 / 2006–2010 Dodge Charger / 2006–2008 Dodge Magnum / 2006–2010 Jeep Grand Cherokee / 2008–2010 Dodge Challenger 6.1L Gen-3 Hemi

C5042-040

Overview:

The Cometic Gasket MLS-5 Head Gasket is engineered specifically for high-performance Chrysler 6.1L Gen-3 Hemi engines found in select Chrysler, Dodge, and Jeep models from 2005 through 2010. Designed to meet the demands of modern lightweight engines producing increased horsepower and higher cylinder pressures, this multi-layer steel (MLS) gasket ensures a reliable seal under extreme conditions. Ideal for enthusiasts and professional builders alike, it maximizes engine durability and performance by maintaining optimal clamp load and resisting corrosion.

Manufactured in the USA with premium materials, the MLS-5 gasket is built to withstand elevated temperatures and pressures common in SRT8 and performance-tuned applications. Whether you are rebuilding, upgrading, or maintaining your high-output Hemi engine, this gasket delivers consistent sealing performance to protect your investment and enhance engine longevity.

Key Features:

Cometic’s MLS-5 Head Gasket incorporates advanced technology and precision engineering to meet the rigorous demands of performance engines:

• Multi-layer steel construction for superior strength and durability
• 0.040-inch thickness optimized for the 6.1L Gen-3 Hemi engine
• 4.185-inch bore size to match factory specifications and ensure proper sealing
• Corrosion-resistant materials to extend gasket life under harsh conditions
• Designed to maintain clamp load and resist blowouts at high cylinder pressures
• Precision manufacturing for consistent fit and reliable sealing
• Compatible with high-performance and street-driven applications
• Made in the USA with American-sourced materials

Construction & Design:

The MLS-5 Head Gasket features a multi-layer steel design that provides exceptional sealing capabilities by combining flexibility and strength. Each layer is engineered to absorb cylinder pressure fluctuations and thermal expansion, preventing leaks and gasket failure. The gasket’s surface is treated to resist corrosion and wear, ensuring long-term durability even under extreme heat and stress.

Cometic’s commitment to quality is evident in the precise manufacturing tolerances and use of premium-grade steel. This gasket is designed to perfectly match the 6.1L Gen-3 Hemi’s bore and combustion chamber dimensions, delivering a reliable seal that supports both stock and modified engine builds.

Installation & Fitment:

This head gasket is a direct fit replacement for the following vehicles equipped with the 6.1L Gen-3 Hemi engine:

• Chrysler 300 C SRT8 (2005–2010)
• Dodge Charger SRT8 (2006–2010)
• Dodge Magnum SRT8 (2006–2008)
• Jeep Grand Cherokee SRT8 (2006–2010)
• Dodge Challenger SRT8 (2008–2010)

Installation requires standard head gasket replacement procedures. No modifications are necessary when used with compatible engines. Proper torque specifications and installation practices should be followed to ensure optimal sealing and gasket longevity.

What's Included:

• One Cometic MLS-5 Multi-Layer Steel Head Gasket (0.040 inch thickness)

Ideal For:

This gasket is ideal for performance enthusiasts, engine builders, and mechanics working on Chrysler 6.1L Gen-3 Hemi engines who demand reliable sealing under high horsepower and high-pressure conditions. It is well-suited for street performance, track use, and any application requiring a durable, high-quality head gasket that maintains integrity under extreme operating environments.

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.