Cometic Gasket MLS Head Gasket

2011–2019 Dodge / Chrysler / Jeep / Ram 6.4L SRT-8 Engine

C5027-036

Overview:

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered to deliver superior sealing performance for high-output 6.4L SRT-8 engines found in various Dodge, Chrysler, Jeep, and Ram models from 2011 to 2019. Designed for enthusiasts and professional mechanics alike, this gasket ensures reliable durability under extreme operating conditions without the need for additional sealants. It is an essential upgrade or replacement part for maintaining engine integrity and preventing leaks in demanding applications.

Ideal for both aluminum-to-aluminum and aluminum-to-cast iron engine configurations, this gasket withstands the stresses caused by differing metal expansion rates, making it a versatile and dependable choice for performance and daily-driven vehicles.

Key Features:

Cometic MLS Head Gaskets incorporate advanced materials and design elements to maximize sealing efficiency and longevity. Key features include:

• Multi-layer stainless steel construction for enhanced strength and flexibility
• Embossed outer layers coated with Viton rubber for superior heat and chemical resistance
• Compressed operating thickness of 0.036 inches to maintain precise sealing under high pressure
• Center shim layer of uncoated stainless steel tailored for consistent thickness and durability
• Designed to resist corrosion and withstand shearing forces between aluminum and cast iron surfaces
• Heat resistance up to 250°C (482°F) thanks to Viton coating
• No additional sealants required, simplifying installation and reducing failure points
• Compatible with World Products Man-o-War engine blocks
• Precision bore size of 4.120 inches to match factory specifications

Construction & Design:

The gasket’s multi-layer steel design features several embossed stainless steel layers that provide both strength and the ability to rebound under pressure. The outer layers are coated with Viton, a high-performance fluoroelastomer known for its exceptional resistance to heat, oil, and chemicals. This coating ensures a reliable seal even in harsh engine environments. The uncoated stainless steel center shim maintains the gasket’s thickness and structural integrity, accommodating the thermal expansion differences between aluminum heads and cast iron or aluminum blocks. This meticulous engineering results in a gasket that offers long-lasting performance and protection against leaks.

Installation & Fitment:

This MLS head gasket is designed as a direct replacement for a wide range of Dodge, Chrysler, Jeep, and Ram vehicles equipped with the 6.4L SRT-8 engine. Installation requires standard head gasket replacement procedures and does not necessitate any modifications to the engine or block. Its precise bore and thickness ensure a perfect fit, maintaining factory compression ratios and engine performance. The gasket’s compatibility with both aluminum and cast iron blocks makes it suitable for various engine configurations within the specified model years.

What's Included:

• One Cometic MLS Head Gasket, 0.036" compressed thickness

Ideal For:

This head gasket is perfect for performance enthusiasts, professional mechanics, and anyone seeking a reliable, high-quality replacement for the 6.4L SRT-8 engine. It is especially suited for vehicles used in high-stress environments such as track days, towing, or heavy-duty daily driving where engine sealing integrity is critical. Whether restoring a factory engine or upgrading for enhanced durability, this gasket provides peace of mind and long-term reliability.

Fitment Summary

This Cometic MLS Head Gasket fits the following vehicles equipped with the 6.4L SRT-8 engine:

• Dodge Challenger (2011–2019)
• Chrysler 300 (2012–2014)
• Dodge Charger (2012–2019)
• Jeep Grand Cherokee (2012–2013)
• Jeep Grand Cherokee SRT (2014–2019)
• Ram 1500 (2014–2019)
• Ram 2500 (2014–2019)
• Ram 3500 (2014–2019)
• Dodge Durango SRT (2018–2019)

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.