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

C5042-045

Overview:

The Cometic MLS-5 Head Gasket is engineered to provide superior sealing performance for high-output Chrysler 6.1L Gen-3 Hemi engines found in select Chrysler, Dodge, and Jeep models. Designed for enthusiasts and professional builders alike, this multi-layer steel gasket ensures reliable durability under extreme conditions, making it an ideal choice for performance upgrades, rebuilds, or repairs. Its robust construction helps maintain optimal compression and prevents leaks, supporting the engine’s power and longevity.

Whether you’re restoring a Chrysler 300 C SRT8, upgrading a Dodge Charger SRT8, or maintaining a Jeep Grand Cherokee SRT8, this gasket delivers consistent sealing performance to meet the demands of street and track use.

Key Features:

The Cometic MLS-5 Head Gasket incorporates advanced materials and design elements to ensure a dependable seal and long service life:

• Constructed with three to five layers of high-strength stainless steel for enhanced durability and resilience
• Embossed outer layers to improve sealing against cylinder head and block surfaces
• Coated on both sides with heat-resistant Viton rubber, rated up to 250°C (482°F), for superior chemical and temperature resistance
• Designed to withstand harsh sealing environments, including high combustion pressures and thermal cycling
• Precisely engineered for a 4.185-inch bore and .045-inch thickness to match factory specifications
• Corrosion-resistant materials extend gasket life and reduce maintenance needs
• Compatible with factory and aftermarket cylinder heads for Chrysler 6.1L Hemi engines
• Ideal for high-performance and naturally aspirated applications

Construction & Design:

The MLS-5 gasket features a multi-layer steel construction, utilizing premium stainless steel layers that provide exceptional strength and flexibility. This design allows the gasket to rebound and maintain a tight seal even under fluctuating thermal and mechanical loads. The embossed outer layers enhance the sealing surface contact, while the Viton rubber coating on both sides offers excellent resistance to heat, oil, and coolant exposure.

Cometic’s precision manufacturing ensures consistent thickness and bore dimensions, critical for maintaining proper compression and preventing head gasket failure. The combination of materials and engineering makes this gasket a reliable choice for demanding performance engines.

Installation & Fitment:

This head gasket is a direct replacement for the Chrysler 6.1L Gen-3 Hemi engines installed in the following vehicles:

• 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. It is recommended to follow manufacturer torque specifications and surface preparation guidelines to ensure optimal sealing. No modifications are necessary when used with compatible cylinder heads and blocks.

What's Included:

• One Cometic MLS-5 multi-layer steel head gasket (.045 inch thickness)

Ideal For:

This gasket is perfect for performance enthusiasts, engine builders, and mechanics seeking a reliable, OEM-quality head gasket solution for Chrysler 6.1L Hemi engines. It suits applications ranging from daily driving to spirited street performance and mild track use, providing 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.