Wiseco Professional Series Pistons

2005–2010 Chrysler 300C / 2006–2010 Dodge Charger / 2006–2008 Dodge Magnum / 2006–2010 Jeep Grand Cherokee / 2008–2010 Dodge Challenger 6.1L SRT8

Part #: 6472LX05

Overview

The Wiseco Professional Series Piston -15cc R/Dome 4.060in is engineered for serious racers and high-performance builders who demand uncompromising strength and reliability. Designed specifically for the 6.1L SRT8 engines found in Chrysler 300C, Dodge Charger, Dodge Magnum, Jeep Grand Cherokee, and Dodge Challenger models from 2005 to 2010, these forged pistons deliver exceptional durability under heavy and severe duty racing conditions.

Wiseco’s Professional Series pistons are crafted with advanced features that support extreme horsepower and torque levels, making them ideal for race applications and high-output street builds. Equipped with premium piston rings, these pistons help maximize engine efficiency and longevity while maintaining tight tolerances for optimal performance.

Key Features

Wiseco Professional Series pistons combine cutting-edge technology and precision engineering to meet the demands of competitive motorsports. Key features include:

• Forged from high-strength aluminum alloy for superior durability and heat resistance
• Designed with a -15cc reverse dome combustion chamber to optimize compression ratio and combustion efficiency
• 4.060-inch bore size tailored for 6.1L SRT8 engine applications
• Precision-machined skirt and ring lands to reduce friction and wear
• Supplied with premium piston rings for enhanced sealing and reduced blow-by
• Custom-level performance features suitable for heavy-duty race builds
• Engineered to withstand high RPM and boost pressures common in racing environments
• Balanced for smooth operation and reduced vibration

Construction & Design

Each Wiseco Professional Series piston is forged from aerospace-grade aluminum alloy, ensuring a lightweight yet incredibly strong component capable of handling extreme combustion pressures. The reverse dome design with a -15cc volume enhances combustion chamber dynamics, improving power output and efficiency. Precision CNC machining guarantees exact dimensions and surface finishes, which contribute to reduced friction and improved ring sealing.

The pistons undergo rigorous quality control and heat treatment processes to maintain structural integrity under severe operating conditions. This meticulous construction ensures long-lasting performance in both naturally aspirated and forced induction setups.

Installation & Fitment

These pistons are designed as direct replacements for factory components in the specified 6.1L SRT8 engines, requiring minimal modifications during installation. Professional installation is recommended to ensure proper clearances and ring end gaps are maintained. Compatible with stock and aftermarket connecting rods and cylinder heads, these pistons fit perfectly within the OEM bore size of 4.060 inches.

Proper engine assembly practices, including honing and balancing, will maximize the benefits of the Wiseco Professional Series pistons and ensure reliable operation in demanding race or street performance applications.

What's Included

• Set of forged Wiseco Professional Series pistons (quantity as required per engine)
• Premium piston rings pre-installed or supplied separately
• Technical documentation and installation guidelines

Ideal For

This piston set is ideal for professional racers, engine builders, and performance enthusiasts upgrading or rebuilding 6.1L SRT8 engines in Chrysler 300C, Dodge Charger, Dodge Magnum, Jeep Grand Cherokee, and Dodge Challenger models. It is especially suited for high-horsepower builds, forced induction applications, and severe duty racing environments where durability and precision are critical.

Wiseco is a forged piston and engine-components brand trusted in both automotive and powersports performance, offering precision-made pistons and kits for high-RPM, high-boost, and high-load builds. Whether you’re rebuilding for durability or chasing serious horsepower, Wiseco parts are chosen for strength, consistency, and proven performance in demanding conditions.