Cometic Gasket MLS Cylinder Head Gasket

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

C5890-080

Overview:

The Cometic Gasket MLS Cylinder Head Gasket is engineered to provide superior sealing performance for high-output engines, specifically designed for a range of Chrysler, Dodge, and Jeep models equipped with the 6.1L Gen-3 Hemi engine. This multi-layer steel (MLS) gasket is ideal for enthusiasts and professionals seeking reliable durability and leak-free operation under demanding conditions. It eliminates the need for additional sealants, ensuring a clean and efficient installation process.

Built to withstand the stresses of modern engines, this gasket is perfect for vehicles that require a robust sealing solution between aluminum heads and either aluminum or cast iron blocks. Its design accommodates the differential expansion rates of these materials, preventing head gasket failure and maintaining engine integrity.

Key Features:

Cometic’s MLS Cylinder Head Gasket incorporates advanced materials and design elements to deliver exceptional performance and longevity:

• Multiple embossed layers of stainless steel for enhanced strength and durability
• Outer layers coated with Viton rubber for superior heat resistance and sealing
• Compressed operating thickness of 0.036 inches for precise fitment
• Designed to handle the shearing forces between aluminum heads and cast iron or aluminum blocks
• Corrosion-resistant construction to extend gasket life
• Center shim layer of uncoated stainless steel customizable for thickness requirements
• Heat resistance up to 250°C (482°F) thanks to Viton coating
• Compatible with high-performance and factory engines without the need for sealants
• Specifically engineered for Chrysler 6.1L Gen-3 Hemi engines with a 4.250-inch bore

Construction & Design:

The Cometic MLS Cylinder Head Gasket features a sophisticated multi-layer steel construction, combining multiple embossed stainless steel layers to provide exceptional strength and flexibility. The outer layers are coated with Viton, a high-performance fluoroelastomer rubber known for its excellent heat resistance and chemical stability, ensuring a reliable seal even under extreme thermal and mechanical stress.

The gasket’s center shim layer is made from uncoated stainless steel, allowing for precise thickness adjustments to meet specific engine requirements. This design enables the gasket to accommodate the different expansion rates of aluminum heads and cast iron or aluminum blocks, preventing leaks and maintaining optimal compression.

Installation & Fitment:

This MLS head gasket is designed for direct replacement on compatible vehicles without the need for modifications or additional sealants. Its precise dimensions and high-quality materials ensure a straightforward installation process, making it suitable for professional mechanics and experienced enthusiasts alike. Proper torque specifications and installation procedures should be followed to maximize gasket performance and longevity.

Fitment includes the following models equipped with the Chrysler 6.1L Gen-3 Hemi engine:

• Chrysler 300 Base (2005–2007), 300 C (2005–2010), 300 C SRT8 (2005–2010), 300 Limited (2005–2010), 300 LX (2008–2009), 300 S (2010), 300 Signature Series (2009), 300 Touring (2005–2010)
• Dodge Challenger R/T, SE (2009–2010), SRT8 (2008–2010)
• Dodge Charger Base (2006–2007), Daytona R/T (2006), Pursuit (2006–2010), R/T (2006–2010), SE (2006–2010), SRT8 (2006–2010), SXT (2006–2010)
• Dodge Magnum R/T, SE, SRT8, SXT (2006–2008)
• Jeep Grand Cherokee 65th Anniversary Edition (2006), Laredo (2006–2010), Limited (2006–2010), Overland (2006–2009), SRT8 (2006–2010)

What's Included:

• One Cometic MLS Cylinder Head Gasket, part number C5890-080

Ideal For:

This gasket is ideal for performance enthusiasts, professional mechanics, and anyone performing engine rebuilds or upgrades on Chrysler 6.1L Gen-3 Hemi-powered vehicles. It is especially suited for applications requiring a durable, leak-resistant head gasket capable of handling high cylinder pressures and thermal cycling without compromise.

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.