Cometic Street Pro MLX Top End Gasket Kit

2011–2025 Chrysler, Dodge, Jeep & Ram 6.4L 392 HEMI

Part #: PRO1048T

Overview

The Cometic Street Pro MLX Top End Gasket Kit is engineered for enthusiasts and professional rebuilders seeking a reliable, high-quality sealing solution for their 6.4L 392 HEMI engines. Designed specifically for a wide range of Chrysler, Dodge, Jeep, and Ram vehicles from 2011 through 2025, this kit provides all the essential gaskets and seals needed for a complete top-end rebuild. The kit balances performance and value, making it an excellent choice for street-driven vehicles that demand durability and precision sealing without breaking the budget.

Whether you are rebuilding a Dodge Challenger, Jeep Grand Cherokee SRT8, Ram 2500, or other compatible models, the Cometic Street Pro MLX kit ensures a dependable seal to maintain engine integrity and performance under street conditions.

Key Features

This gasket kit incorporates advanced materials and design features to deliver superior sealing performance and longevity. Key features include:

• Multi-Layer Steel (MLS) head gaskets engineered for high clamping force and durability
• Aramid fiber and Armor Clad materials for enhanced resistance to heat and pressure
• Precision cut gaskets tailored for 4.150" bore engines with .054" thickness
• Comprehensive kit includes all necessary top-end gaskets and seals for a complete rebuild
• Corrosion-resistant alloys such as copper, aluminum, and stainless steel incorporated for strength and longevity
• Designed to seal irregular surfaces effectively, preventing leaks and maintaining compression
• Manufactured using advanced processes to ensure consistent quality and fitment

Construction & Design

The Cometic Street Pro MLX gasket kit utilizes a combination of premium materials selected for their sealing capabilities and durability. The MLS head gaskets feature multiple layers of galvanized steel, providing excellent tensile strength and resistance to gasket blowout. Aramid fiber and Armor Clad compounds are used in other gaskets to withstand high temperatures and pressures common in performance engines.

Cometic’s proprietary manufacturing techniques ensure precise cutting and consistent thickness, critical for maintaining proper engine tolerances and preventing leaks. The use of corrosion-resistant metals such as copper, aluminum, and stainless steel further enhances the gasket’s lifespan and reliability in demanding street applications.

Installation & Fitment

This gasket kit is designed for direct fitment on 6.4L 392 HEMI engines across multiple vehicle models and years, including:

• 2011–2023 Dodge Challenger 6.4L 392
• 2012–2014 and 2023–2024 Chrysler 300 6.4L 392
• 2012–2014 and 2015–2021 Jeep Grand Cherokee 6.4L SRT8
• 2012–2023 Dodge Charger 6.4L 392
• 2014–2025 Ram 2500 and 3500 6.4L 392
• 2018–2025 Dodge Durango 6.4L 392
• 2021–2025 Jeep Wrangler 6.4L 392

Installation requires standard top-end engine disassembly and rebuild procedures. The kit includes all necessary gaskets and seals, simplifying the rebuild process and ensuring compatibility. No modifications are typically required when installing this kit on the specified engines.

What's Included

• Multi-Layer Steel (MLS) head gaskets
• Valve cover gaskets
• Intake manifold gaskets
• Exhaust manifold gaskets
• Valve stem seals
• Other essential seals and gaskets for top-end rebuild

Ideal For

This gasket kit is ideal for street performance enthusiasts, professional rebuilders, and anyone performing a top-end rebuild on a 6.4L 392 HEMI engine. It offers a cost-effective solution without compromising on quality, making it perfect for daily drivers, weekend cruisers, and mild performance builds that require dependable sealing and longevity.

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.