Wiseco Professional Series Forged Pistons

Fits Most Chrysler/Dodge/Jeep 6.1L SRT8 (05-10)

Part #: K471X05

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 high-performance and racing applications. Designed for serious builders and racers, these pistons feature a +4cc dome volume that enhances compression and combustion efficiency, helping to unlock greater power potential from your engine.

Whether you are assembling a heavy-duty race engine or upgrading a street performance build, this piston set provides the precision, reliability, and toughness required to withstand severe duty conditions. Included premium piston rings ensure optimal sealing and durability, making this a complete solution for demanding Chrysler 6.1L HEMI builds.

Key Features

Wiseco’s Professional Series pistons incorporate advanced engineering and manufacturing techniques to meet the rigorous demands of high-performance environments. Key features include:

• Forged construction for superior strength and resistance to high stress and elevated temperatures
• +4cc dome design to increase compression ratio and improve combustion efficiency
• 4.060-inch bore size tailored precisely for Chrysler 6.1L 3rd Gen HEMI engines
• 1.205-inch compression height optimized for shelf stock configurations
• 0.927-inch wrist pin diameter for enhanced durability and precise fitment
• Premium piston rings included for improved sealing and long-lasting performance
• Designed to withstand heavy to severe duty race conditions without compromising reliability
• Precision CNC machining and stringent quality control for consistent fit and performance

Construction & Design

Each piston is forged from a high-quality alloy, providing exceptional toughness and strength to endure the extreme stresses of racing and high-performance use. The +4cc dome shape is carefully engineered to optimize the combustion chamber shape, increasing compression and enhancing power output without sacrificing reliability.

The pistons feature a compression height of 1.205 inches and a wrist pin diameter of 0.927 inches, matching the exact specifications required for shelf stock Chrysler 6.1L HEMI builds. This ensures a precise fit that maintains proper engine geometry and durability under demanding conditions.

Installation & Fitment

This piston set is a direct fit for the 2005–2010 Chrysler 300C, Dodge Challenger, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee equipped with the 6.1L 3rd Generation HEMI engine. Designed for shelf stock configurations, these pistons maintain factory deck height and piston-to-wall clearance, allowing builders to retain stock engine geometry.

Professional engine assembly knowledge and proper machining are required for installation to ensure optimal performance and longevity. No modifications to the piston design are necessary for correct fitment in compatible engines.

What's Included

• Set of 8 Wiseco Professional Series forged pistons
• Premium piston rings included with the set

Ideal For

• Serious racers building heavy-duty or severe duty race engines
• Performance enthusiasts upgrading Chrysler 6.1L HEMI engines for increased power
• Engine builders seeking durable, high-quality forged pistons for track or street use
• Those requiring pistons with a +4cc dome volume for improved compression and combustion

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.