Manley Performance Chrysler 6.1L Hemi 4.065in Bore Stroker Series -11.5cc Dish Piston Set Extreme Duty

Chrysler 6.1L HEMI Stroker Engines

598665CE-8

Overview:

The Manley Performance Stroker Series piston set is engineered specifically for Chrysler 6.1L HEMI stroker engines with a 4.065-inch bore. These extreme duty pistons are designed to handle the increased stresses of high-performance builds, making them an excellent choice for professional engine builders, tuners, and enthusiasts seeking durability and reliability under demanding conditions.

Crafted from premium 2618 alloy forgings, these pistons provide superior strength and thermal resistance compared to standard cast pistons. The -11.5cc dish design optimizes combustion chamber volume for improved compression and performance tuning flexibility. Whether you are building a street, strip, or race engine, this piston set offers the quality and precision needed to support aggressive power goals.

Key Features:

Manley’s Stroker Series pistons incorporate advanced materials and design features to ensure long-lasting performance and compatibility with high-output Chrysler HEMI stroker engines:

• Forged from 2618 aluminum alloy for exceptional strength and fatigue resistance under extreme conditions.
• Proven cam and barrel skirt profiles reduce friction and wear for improved durability and efficiency.
• Tool steel wrist pins provide enhanced strength and reliability at the piston-to-rod connection.
• Moly skirt coatings on select part numbers reduce friction and help protect against scuffing.
• 11.5cc dished piston crown design optimizes combustion chamber volume for stroker engine applications.
• Precision machining ensures tight tolerances and consistent fitment for reliable engine assembly.
• Designed to withstand the increased bore size and stroke demands of Chrysler 6.1L HEMI stroker builds.

Construction & Design:

Manley’s Stroker Series pistons are crafted using high-quality 2618 alloy forgings, known for their superior strength and thermal stability compared to conventional piston materials. This alloy is favored in high-performance and racing applications due to its ability to withstand elevated combustion pressures and temperatures.

The pistons feature carefully engineered cam and barrel skirt profiles that minimize friction and wear during operation, contributing to longer engine life and improved efficiency. The inclusion of tool steel wrist pins enhances the durability of the piston-to-connecting rod interface, critical in high-RPM and high-load scenarios.

Additionally, select pistons in this series receive a molybdenum skirt coating, which further reduces friction and protects the piston skirts from scuffing, especially important in extreme duty applications. The -11.5cc dish in the piston crown is designed to optimize combustion chamber volume, supporting tuning flexibility and efficient combustion in stroker engine configurations.

Installation & Fitment:

This piston set is engineered for Chrysler 6.1L HEMI stroker engines with a 4.065-inch bore diameter. It is intended for professional engine builders and experienced enthusiasts who are assembling or upgrading stroker engine builds. Proper machining and assembly practices are required to ensure optimal fitment and performance.

These pistons are designed to integrate seamlessly with compatible connecting rods and cylinder heads in stroker configurations. No specific modifications to the pistons themselves are necessary beyond standard engine build procedures.

What's Included:

• Complete set of forged 2618 alloy pistons with -11.5cc dished crowns
• Tool steel wrist pins
• Moly skirt coatings applied on select pistons
• Precision-machined components ready for engine assembly

Ideal For:

• Professional engine builders and tuners assembling Chrysler 6.1L HEMI stroker engines
• Performance enthusiasts seeking durable pistons for high-horsepower applications
• Street and race engines requiring extreme duty components for reliability
• Applications demanding enhanced strength and thermal resistance in piston design

Manley Performance manufactures high-strength engine internals for serious builds—especially forged pistons, connecting rods, valves, and valvetrain components developed for racing and high-output street applications. If you’re building for boost, high compression, or sustained RPM, Manley is a common choice for parts engineered to take abuse and keep power reliable.