Manley Performance Extreme Duty Piston Set

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

Part #: 597065C-8

Overview

The Manley Extreme Duty Piston Set for the Chrysler 6.1L HEMI engine is engineered to meet the demands of high-performance enthusiasts and professional engine builders. Designed specifically for 2005 to 2010 Chrysler, Dodge, and Jeep SRT8 models, these pistons deliver exceptional strength and durability under extreme conditions. Whether building a street performance engine, a track-ready powerplant, or a high-output daily driver, this piston set offers a reliable foundation for enhanced engine longevity and power.

Crafted from premium materials with advanced engineering, these pistons provide a precise fit and optimized combustion characteristics to support increased horsepower and torque. The -11.5cc dished design allows for fine-tuned compression control, making them ideal for naturally aspirated or forced induction applications.

Key Features

Manley’s Extreme Duty pistons incorporate cutting-edge materials and design elements to ensure superior performance and reliability in demanding environments:

• Forged from high-strength 2618 aluminum alloy for excellent fatigue resistance and durability at elevated temperatures.
• Refined cam and barrel skirt profiles reduce friction and wear, improving efficiency and extending engine life.
• Tool steel wrist pins provide enhanced strength and durability at critical pivot points.
• Moly skirt coatings on select pistons reduce friction and protect against scuffing for smoother operation.
• -11.5cc dished piston design optimizes combustion chamber volume for precise compression ratio control.
• Specifically engineered for a 4.065-inch bore and 3.579-inch stroke to fit Chrysler 6.1L HEMI engines.
• Extreme duty construction suitable for high-performance, forced induction, and naturally aspirated builds.

Construction & Design

These pistons are forged from 2618 aluminum alloy, a material favored in motorsports for its ability to withstand high heat and mechanical stress. The cam and barrel skirt profiles have been carefully engineered to minimize friction and wear, contributing to smoother piston movement and longer engine durability. Tool steel wrist pins enhance the pistons’ ability to endure high loads without deformation, while moly skirt coatings on select pistons further reduce friction between the piston skirts and cylinder walls.

The -11.5cc dish design is optimized to balance combustion chamber volume and compression ratio, supporting efficient power delivery and tuning flexibility for various performance setups.

Installation & Fitment

This piston set is a direct replacement for Chrysler 6.1L HEMI engines with a 4.065-inch bore and 3.579-inch stroke, designed to fit 2005–2010 Chrysler 300C, Dodge Challenger, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee SRT8 models. Installation requires standard engine assembly procedures and precision machining to ensure proper clearances and fitment. No modifications or cutting of the pistons are necessary when used within the specified engine parameters.

These pistons are intended for professional engine builders and experienced enthusiasts familiar with high-performance engine assembly.

What's Included

• Complete set of forged 2618 aluminum alloy pistons with -11.5cc dish volume
• Tool steel wrist pins
• Moly skirt coatings applied on select pistons
• Detailed specifications for bore and stroke compatibility

Ideal For

• Performance enthusiasts upgrading Chrysler 6.1L HEMI engines
• Professional engine builders assembling high-output or extreme duty powerplants
• Street, track, and racing applications requiring durable forged pistons
• Engines running naturally aspirated or forced induction setups
• Builders seeking reliable components to support increased horsepower and torque