Cometic Gasket Cylinder Head Gasket

2003–2015 Dodge Ram 1500, 2003–2010 Dodge Ram 2500, 2003–2009 Dodge Ram 3500, 2004–2015 Dodge Durango, 2005–2015 Chrysler 300, 2005–2008 Dodge Magnum, 2005–2015 Jeep Grand Cherokee, 2006–2015 Dodge Charger, 2009–2015 Dodge Challenger, 2011–2015 Ram 1500, 2011–2015 Ram 2500, 2011–2015 Ram 3500 5.7L Gen-3 Hemi

C5468-140

Overview:

The Cometic Gasket 5.7L Gen-3 Hemi .140in MLS Cylinder Head Gasket is engineered to provide superior sealing performance for a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Gen-3 Hemi engine. Designed for enthusiasts and professional mechanics alike, this gasket ensures reliable sealing under demanding conditions, helping to maintain engine integrity and performance.

Ideal for both OEM replacement and high-performance applications, this gasket delivers enhanced durability and resistance to heat and pressure, making it a trusted choice for maintaining optimal engine function across multiple vehicle models and years.

Key Features:

Cometic’s advanced engineering and material selection make this MLS cylinder head gasket a standout component. Key features include:

• Multi-Layer Steel (MLS) construction with three to five layers of stainless steel for exceptional strength and durability
• Outer layers embossed and coated on both sides with heat-resistant Viton rubber, rated up to 250°C (482°F)
• Superior rebound capability to maintain a consistent seal under varying load and thermal cycles
• Corrosion-resistant stainless steel layers to extend gasket life and reliability
• Precision bore size of 3.950 inches to match factory specifications for the 5.7L Gen-3 Hemi engine
• Designed to withstand harsh sealing environments, including high combustion pressures and temperature fluctuations
• Compatible with a broad range of Chrysler, Dodge, Jeep, and Ram models from 2003 through 2015
• Coated on both sides to improve sealing and reduce the risk of leaks

Construction & Design:

This cylinder head gasket features a robust multi-layer steel (MLS) design, utilizing three to five layers of high-grade stainless steel. The stainless steel construction provides superior tensile strength and flexibility, allowing the gasket to maintain a tight seal even under extreme thermal expansion and contraction cycles common in high-performance engines.

The gasket’s outer layers are embossed and coated with Viton rubber on both sides, a material known for its excellent heat resistance and chemical stability. This coating enhances the gasket’s ability to seal against a variety of surface finishes and withstand harsh engine environments, including exposure to oil, coolant, and combustion gases.

Installation & Fitment:

The Cometic MLS cylinder head gasket is designed as a direct fit replacement for the 5.7L Gen-3 Hemi engines in the specified vehicles, ensuring straightforward installation without the need for modifications. Proper installation following manufacturer torque specifications is essential to achieve optimal sealing performance and longevity.

This gasket fits the left-hand side (LHS) cylinder head and is compatible with a wide range of models including Dodge Ram 1500 (2003–2010), Ram 2500 (2003–2010), Ram 3500 (2003–2009), Dodge Durango (2004–2015), Chrysler 300 (2005–2015), Dodge Magnum (2005–2008), Jeep Grand Cherokee (2005–2015), Dodge Charger (2006–2015), Dodge Challenger (2009–2015), and later Ram models from 2011 to 2015.

What's Included:

• One Cometic 5.7L Gen-3 Hemi .140in MLS Cylinder Head Gasket (Left-Hand Side)

Ideal For:

This gasket is ideal for vehicle owners and mechanics seeking a high-quality, durable replacement for the cylinder head gasket on 5.7L Gen-3 Hemi engines. It suits daily drivers, performance enthusiasts, and those performing engine rebuilds or repairs who require a reliable seal to prevent leaks and maintain engine efficiency.

Whether restoring a classic Dodge Ram or upgrading a Chrysler 300, this gasket delivers the durability and sealing performance needed to keep your engine running smoothly under all conditions.

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.