Cometic Gasket Valve Stem Seals

2005–2010 Chrysler 300C, 2006–2010 Dodge Charger, 2006–2008 Dodge Magnum, 2006–2010 Jeep Grand Cherokee, 2009–2010 Dodge Challenger 5.7L Gen-3 Hemi

Part #: 3261V-16

Overview

The Cometic Gasket Valve Stem Seals are precision-engineered components designed specifically for the intake valves of Chrysler’s 5.7L Gen-3 Hemi engines. These hat style valve stem seals provide a reliable seal that prevents oil from leaking into the combustion chamber, helping to maintain optimal engine performance and reduce oil consumption. Engineered for durability and consistent sealing, they are an essential upgrade or replacement part for enthusiasts and professional mechanics working on high-performance Chrysler, Dodge, and Jeep models.

Ideal for performance rebuilds, maintenance, and restoration projects, these valve stem seals ensure proper valve lubrication while minimizing emissions and engine wear. They are a direct fit replacement for popular SRT8 models, delivering OEM-level quality and reliability.

Key Features

Cometic Gasket valve stem seals combine advanced materials and precision manufacturing to provide dependable sealing performance for intake valves on 5.7L Gen-3 Hemi engines. Key features include:

• Hat style design optimized for intake valve sealing on Chrysler 5.7L Gen-3 Hemi engines
• Direct fitment for 2005–2010 Chrysler 300C, 2006–2010 Dodge Charger, 2006–2008 Dodge Magnum, 2006–2010 Jeep Grand Cherokee, and 2009–2010 Dodge Challenger
• Constructed from high-quality elastomeric materials resistant to heat, wear, and chemical degradation
• Effectively prevents oil leakage into the combustion chamber, reducing oil consumption and emissions
• Maintains proper valve lubrication to improve engine reliability and longevity
• Manufactured to meet or exceed OEM specifications for consistent fit and function
• Designed to resist hardening and cracking over time, ensuring long-lasting sealing pressure
• Ideal for high-performance applications and daily driving alike

Construction & Design

These valve stem seals are crafted from advanced elastomeric compounds engineered to withstand the extreme temperatures and chemical exposure typical of modern Hemi engines. The hat style design provides a secure seal around the valve stem while allowing smooth valve movement, preventing oil from entering the combustion chamber without restricting valve operation.

Cometic Gasket employs stringent quality control measures to guarantee dimensional accuracy and material integrity. This ensures each seal delivers long-lasting performance under demanding conditions, resisting hardening, cracking, and premature wear that can compromise engine health.

Installation & Fitment

Installation of Cometic valve stem seals is straightforward for experienced technicians and professional mechanics. These seals are a direct replacement for the intake valve stem seals on the specified Chrysler, Dodge, and Jeep SRT8 models, requiring no modifications to the cylinder head or valve train components. Proper installation tools and procedures should be used to avoid damage to the seals and ensure a secure fit.

Always consult the vehicle’s service manual for detailed installation instructions and torque specifications to achieve optimal results and maintain engine integrity.

What's Included

• Set of intake hat style valve stem seals for Chrysler 5.7L Gen-3 Hemi engines

Ideal For

This product is ideal for automotive enthusiasts, performance tuners, and professional mechanics performing engine rebuilds, maintenance, or upgrades on Chrysler 300C SRT8, Dodge Charger SRT8, Dodge Magnum SRT8, Jeep Grand Cherokee SRT8, and Dodge Challenger SRT8 models equipped with the 5.7L Gen-3 Hemi engine. It is especially suited for those seeking reliable sealing solutions to maintain engine efficiency, reduce oil consumption, and extend engine life in high-performance applications.

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.