Wiseco Professional Series Forged Pistons Set of 8: Fits Most Chrysler / Dodge SRT Models (2005-2015)

Wiseco Professional Series Forged Pistons

Chrysler Gen III 6.4L HEMI V8

K0399XS

Overview:

The Wiseco Professional Series forged pistons are engineered for serious racers and high-performance engine builders who demand uncompromising strength and durability. Designed specifically for the Chrysler 6.4L Gen III HEMI engine, this set of eight pistons is built to withstand the rigors of heavy to severe duty race applications.

Each piston is crafted with precision forging techniques and comes equipped with premium piston rings, ensuring optimal sealing and performance under extreme conditions. Whether you are building a high-horsepower race engine or a robust performance street build, these pistons provide the reliability and strength needed to push your engine to its limits.

Key Features:

Wiseco’s Professional Series pistons incorporate advanced design and manufacturing features to deliver superior performance and durability:

• Forged construction for maximum strength and resistance to high stress and heat.
• Specifically designed for the Chrysler Gen III 6.4L HEMI engine to ensure precise fitment and optimal performance.
• 4.090 inch bore size and 1.125 inch compression height tailored for high-performance builds.
• 0.927 inch wrist pin diameter providing enhanced durability and reduced piston pin wear.
• Includes premium piston rings engineered for excellent sealing and reduced blow-by.
• Ideal for heavy-duty racing and severe duty applications where reliability is critical.
• Custom-level performance features that support high RPM and boost conditions.
• Designed to handle increased cylinder pressures and temperatures common in race engines.

Construction & Design:

These pistons are manufactured using high-quality forged aluminum alloy, which offers an excellent strength-to-weight ratio. The forging process enhances the grain structure of the metal, resulting in pistons that resist cracking, scuffing, and thermal fatigue better than cast alternatives.

The design incorporates precise dimensional tolerances and optimized geometry to improve combustion efficiency and reduce friction. The piston pin bore and compression height are engineered to match the 6.4L Gen III HEMI specifications, ensuring seamless integration with factory or aftermarket rods and cylinders.

Installation & Fitment:

This piston set is a direct fit for Chrysler Gen III 6.4L HEMI engines, making it suitable for engine rebuilds or performance upgrades without the need for extensive modifications. The pistons are designed to work with 6.125 inch connecting rods and a 4.090 inch bore, matching common build specifications for this engine platform.

• Set of 8 pistons for a complete V8 engine rebuild.
• Compatible with factory and aftermarket components designed for the 6.4L Gen III HEMI.
• No special machining beyond standard bore sizing is typically required when used in appropriate builds.

What’s Included

• Set of 8 Wiseco Professional Series forged pistons
• Premium piston rings installed on each piston

Ideal For:

These Wiseco forged pistons are ideal for:

• Racers building heavy-duty or severe duty Chrysler 6.4L Gen III HEMI engines
• Performance enthusiasts seeking durable, high-quality pistons for high-horsepower builds
• Engine builders requiring reliable components for boosted or naturally aspirated race applications
• Anyone upgrading from stock pistons to forged pistons for improved strength and longevity