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 #: 6470RX25

Overview

The Wiseco Professional Series Piston is a high-performance forged racing piston engineered for serious racers and engine builders who demand uncompromising strength and durability. Designed specifically for the 6.1L SRT8 engines found in select Chrysler, Dodge, and Jeep models from 2005 to 2010, this piston delivers exceptional reliability under heavy and severe duty conditions. Featuring a 4.080-inch bore size and a 28cc dish volume, it is optimized for performance builds requiring precise combustion chamber control and enhanced power output.

Wiseco’s Professional Series pistons are crafted with no-expense-spared attention to detail, making them ideal for race engines and high-performance street applications where durability and consistency are paramount. Equipped with premium piston rings, these pistons help maintain optimal sealing and reduce friction, contributing to improved engine efficiency and longevity.

Key Features

Wiseco’s Professional Series Pistons incorporate advanced design and manufacturing technologies to meet the demands of high-performance engines. Key features include:

• Forged from high-strength aluminum alloy for superior durability and heat resistance
• Custom 28cc dish design to optimize combustion chamber volume and compression ratio
• Precision CNC machining for exact bore and ring groove tolerances
• Premium piston rings included for enhanced sealing and reduced blow-by
• Designed specifically for 4.080-inch bore applications in 6.1L SRT8 engines
• Engineered to withstand heavy to severe duty race conditions
• Compatible with factory and aftermarket connecting rods and components
• Balanced for smooth operation and reduced engine vibration

Construction & Design

Wiseco Professional Series Pistons are forged from aerospace-grade aluminum alloy, providing an excellent balance of strength, weight, and thermal conductivity. The forging process enhances the metal’s grain structure, resulting in pistons that resist cracking, scuffing, and deformation under extreme combustion pressures and temperatures.

The 28cc dish design is carefully engineered to control compression ratio and promote efficient combustion, which is critical for performance tuning and forced induction setups. Each piston undergoes rigorous CNC machining to ensure precise dimensions and surface finishes, allowing for optimal ring sealing and minimal friction. This meticulous construction supports consistent performance and long-term engine reliability.

Installation & Fitment

These pistons are direct replacements designed to fit the 6.1L SRT8 engines in the specified Chrysler 300C, Dodge Charger, Dodge Magnum, Jeep Grand Cherokee, and Dodge Challenger model years without requiring modifications. Professional installation is recommended to ensure proper ring end gap, piston-to-wall clearance, and torque specifications are met. Using Wiseco Professional Series Pistons in your build will maintain factory tolerances while providing enhanced durability for high-performance applications.

What's Included

• Four Wiseco Professional Series forged pistons (4.080-inch bore, 28cc dish)
• Premium piston rings pre-installed or included separately
• Installation instructions and technical specifications

Ideal For

This piston set is ideal for professional engine builders, serious racers, and performance enthusiasts upgrading or rebuilding 6.1L SRT8 engines. Whether you are building a naturally aspirated or forced induction race engine, these pistons provide the strength and precision needed to handle increased power levels and demanding track conditions. They are also suitable for high-performance street vehicles requiring enhanced durability and reliability.

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.