Cometic Gasket MLS Cylinder Head Gasket

2011–2019 Chrysler / Dodge / Jeep / Ram 6.4L Apache Gen-3 Hemi

Part #: C5026-030

Overview

The Cometic Gasket MLS Cylinder Head Gasket is engineered to provide exceptional sealing performance for high-output engines, specifically designed for the Chrysler 6.4L Apache Gen-3 Hemi found in a variety of Chrysler, Dodge, Jeep, and Ram vehicles. This multi-layer steel gasket ensures reliable durability and optimal engine efficiency, making it an excellent choice for both professional mechanics and performance enthusiasts.

Whether you are rebuilding, upgrading, or maintaining your engine, this gasket delivers a dependable seal that withstands the rigorous demands of modern powertrains. It is designed to handle the thermal and mechanical stresses of aluminum heads paired with either aluminum or cast iron blocks, ensuring long-lasting performance without the need for additional sealants.

Key Features

Cometic’s MLS Cylinder Head Gasket incorporates advanced materials and design elements to meet the stringent requirements of high-performance engines. Key features include:

• Multi-layer steel (MLS) construction with multiple embossed stainless steel layers for enhanced strength and sealing capability
• 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 inches, optimized for precise fit and durability
• Designed to withstand shearing forces between aluminum heads and cast iron or aluminum blocks
• Corrosion-resistant materials ensure long-lasting reliability
• Embossed outer layers conform to surface irregularities for improved sealing
• Center shim layer of uncoated stainless steel allows for thickness customization and consistent sealing pressure
• Compatible with high-output Chrysler 6.4L Apache Gen-3 Hemi engines
• No sealants required, simplifying installation and reducing leak risks

Construction & Design

The Cometic MLS Cylinder Head Gasket is meticulously crafted from multiple layers of stainless steel, each embossed to enhance sealing performance and durability. The outermost layers are coated with Viton, a premium fluorocarbon elastomer known for its exceptional heat resistance and chemical durability. This coating ensures the gasket maintains a tight seal even under extreme thermal cycling and high-pressure conditions.

The core shim layer is made from uncoated stainless steel, providing structural integrity and allowing for precise thickness adjustments to meet specific engine requirements. This multi-layer design enables the gasket to flex and rebound, accommodating the differential expansion rates between aluminum heads and cast iron or aluminum blocks without compromising the seal.

Installation & Fitment

This MLS cylinder head gasket is a direct replacement for the right-hand side (RHS) cylinder head on a broad range of vehicles equipped with the Chrysler 6.4L Apache Gen-3 Hemi engine. Compatible models and years include:

• 2011–2019 Dodge Challenger 6.4L 392
• 2012–2014 Chrysler 300 6.4L 392
• 2012–2019 Dodge Charger 6.4L 392
• 2012–2019 Jeep Grand Cherokee 6.4L SRT / SRT8
• 2014–2018 Ram 2500 6.4L 392
• 2014–2018 Ram 3500 6.4L 392
• 2018–2019 Dodge Durango 6.4L 392

Installation follows standard cylinder head gasket replacement procedures. No modifications or additional sealants are necessary, simplifying the process and ensuring a reliable, leak-free seal when properly torqued to manufacturer specifications.

What's Included

• One Cometic MLS Cylinder Head Gasket, right-hand side (RHS)

Ideal For

This gasket is ideal for performance enthusiasts, professional mechanics, and engine rebuilders seeking a durable, high-quality sealing solution for high-output Chrysler 6.4L Hemi engines. It is especially suited for those upgrading or maintaining muscle cars, trucks, and SUVs that demand reliable head gasket performance under increased power and thermal stress.

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.