Wiseco Professional Series Forged Piston Set

2005–2010 Chrysler 300C, Dodge Challenger, Dodge Charger, Dodge Magnum, Jeep Grand Cherokee 6.1L HEMI

Part #: K472X05

Overview

The Wiseco Professional Series Forged Piston Set is engineered specifically for the Chrysler 6.1L 3rd Generation HEMI engine, delivering exceptional strength and durability for serious racers and high-performance engine builders. Designed to handle heavy-duty and severe race conditions, these pistons provide a reliable foundation for increased power output and engine longevity. Whether building a track-focused race engine or a high-output street machine, this piston set supports aggressive tuning and high cylinder pressures with confidence.

Each set includes premium piston rings matched to the pistons, ensuring excellent sealing and wear resistance. The precise fitment to factory bore dimensions allows for straightforward installation without the need for extensive modifications.

Key Features

Wiseco’s Professional Series pistons incorporate advanced design and manufacturing techniques to meet the rigorous demands of racing and high-performance applications:

• Forged aluminum construction for superior strength and resistance to heat and stress
• 15cc reverse dome design optimizes combustion chamber volume and compression ratio
• 4.060 inch bore size matches factory cylinder dimensions for precise fitment
• 1.205 inch compression height engineered for proper piston-to-deck clearance
• 0.927 inch wrist pin diameter enhances durability and load distribution
• Premium piston rings included for improved sealing and reduced blow-by
• Precision CNC machining ensures consistent weight and balance across all eight pistons
• Designed to withstand heavy-duty and severe race conditions without compromising reliability

Construction & Design

Crafted from high-grade forged aluminum alloy, Wiseco’s Professional Series pistons strike an optimal balance between lightweight performance and structural integrity. The reverse dome (R/Dome) design reduces combustion chamber volume by 15cc, allowing engine builders to tailor compression ratios for enhanced performance in high-output builds.

Each piston is CNC-machined to exacting tolerances, ensuring consistent dimensions and weight for smooth engine operation and balanced reciprocating mass. Reinforced skirt areas and a robust wrist pin diameter provide enhanced durability under extreme racing conditions, while the included premium rings maintain excellent sealing and minimize blow-by for improved efficiency and longevity.

Installation & Fitment

This piston set is a direct replacement for the Chrysler 6.1L 3rd Gen HEMI engine, fitting all 2005–2010 models including the Chrysler 300C, Dodge Challenger, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee equipped with the 6.1L SRT8 engine. The 4.060 inch bore and 1.205 inch compression height match factory specifications, allowing for straightforward installation without the need for block or connecting rod modifications.

Professional installation by an experienced engine builder is recommended to ensure proper clearances and ring end gaps. No special machining beyond standard engine rebuild procedures is typically necessary.

What's Included

• Set of 8 forged pistons with 15cc reverse dome design
• Premium piston rings matched to piston specifications
• Complete piston set ready for professional engine assembly

Ideal For

• Serious racers building heavy-duty or severe duty race engines
• Performance enthusiasts upgrading Chrysler 6.1L HEMI engines for track or high-output street use
• Engine builders seeking durable forged pistons with precise fitment and premium components
• Applications requiring pistons capable of handling increased cylinder pressures and aggressive tuning

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.