Cometic Gasket MLS Cylinder Head Gasket

2011–2019 Dodge Challenger / 2012–2014 Chrysler 300 / 2012–2019 Dodge Charger / 2018–2019 Dodge Durango / 2012–2019 Jeep Grand Cherokee / 2014–2018 Ram 2500 / 2014–2018 Ram 3500

C5027-070

Overview:

The Cometic Gasket MLS (Multi-Layer Steel) Cylinder Head Gasket is engineered to deliver superior sealing performance for high-output engines found in a wide range of Chrysler, Dodge, Jeep, and Ram vehicles. Designed specifically for applications including the Chrysler 300, Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, and Ram 2500/3500 models, this gasket ensures reliable durability and optimal engine performance.

Ideal for enthusiasts and professional mechanics alike, this gasket is built to withstand the rigorous demands of modern engines, providing a dependable seal without the need for additional sealants. Whether you’re performing an engine rebuild or upgrading your vehicle’s performance, the Cometic MLS head gasket offers peace of mind and long-lasting reliability.

Key Features:

Cometic’s MLS Cylinder Head Gasket incorporates advanced materials and design features to meet the challenges of high-performance and heavy-duty engines:

• Constructed from 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) for superior sealing under extreme conditions
• Compressed operating thickness of 0.036" ensures precise fit and optimal sealing
• Designed to accommodate both aluminum-to-aluminum and aluminum-to-cast iron engine configurations, resisting shearing forces between dissimilar metals
• Corrosion-resistant materials extend gasket life and maintain seal integrity over time
• No additional sealants required, simplifying installation and reducing potential failure points
• Center shim layer of uncoated stainless steel allows for thickness customization to meet specific engine requirements
• Precision bore size of 4.120" tailored for Chrysler 6.4L Apache Gen-3 Hemi engines

Construction & Design:

The Cometic MLS head gasket features a robust multi-layer steel construction, combining several embossed stainless steel layers to provide exceptional strength and flexibility. The outer layers are coated with Viton, a high-performance rubber compound known for its resistance to heat, chemicals, and wear. This coating ensures a tight seal even under harsh operating conditions and varying surface finishes.

The gasket’s design accommodates the differential expansion rates of aluminum heads and cast iron or aluminum blocks, preventing leaks caused by thermal cycling and mechanical stress. The uncoated stainless steel shim layer in the center allows for precise thickness adjustments, ensuring a perfect fit and optimal compression ratio for your engine.

Installation & Fitment:

This MLS cylinder head gasket is a direct fit replacement for a wide range of vehicles equipped with the Chrysler 6.4L Apache Gen-3 Hemi engine. Compatible models include:

• Dodge Challenger (2011–2019)
• Chrysler 300 SRT8 (2012–2014)
• Dodge Charger (2012–2019)
• Dodge Durango SRT (2018–2019)
• Jeep Grand Cherokee SRT and SRT8 (2012–2019)
• Ram 2500 and 3500 series (2014–2018)

Installation requires standard head gasket replacement procedures. No modifications or additional sealants are necessary, making it suitable for professional and experienced DIY installations. Proper torque specifications and engine preparation are essential to ensure optimal sealing and longevity.

What's Included:

• One Cometic MLS Cylinder Head Gasket, LHS, coated on both sides with Viton

Ideal For:

This gasket is perfect for performance enthusiasts, professional mechanics, and rebuilders seeking a reliable, high-quality head gasket solution for Chrysler 6.4L Hemi engines. It is especially suited for vehicles subjected to high stress, such as SRT models and heavy-duty Ram trucks, where durability and sealing integrity 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.