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

Wiseco Professional Series Forged Racing Pistons

Chrysler Gen III 6.4L HEMI

K0397X05

Overview:

The Wiseco Professional Series forged racing pistons are engineered specifically for high-performance Chrysler Gen III 6.4L HEMI engines. Designed with serious racers and engine builders in mind, these pistons deliver exceptional strength and durability for heavy to severe duty race applications. Whether you are building a track-focused machine or a high-output street performance engine, these pistons provide the reliability and precision you need to push your build to the limit.

Each piston set includes eight components, crafted to exacting tolerances to ensure optimal fitment and performance. With a 4.095-inch bore and 1.210-inch compression height, these pistons are tailored to meet the demanding specifications of the 6.4L HEMI platform, helping you achieve consistent power delivery and engine longevity under extreme conditions.

Key Features:

Wiseco’s Professional Series pistons incorporate advanced materials and design features to maximize performance and durability in race environments:

• Forged from premium-grade aluminum alloy for superior strength and heat resistance.
• Designed with a 4.095-inch bore diameter to match Chrysler 6.4L Gen III HEMI specifications.
• Compression height of 1.210 inches optimized for precise piston-to-cylinder head clearance.
• 0.945-inch wrist pin diameter ensuring robust pin retention and reduced wear.
• Includes high-quality piston rings engineered for excellent sealing and reduced blow-by.
• Custom-level performance features tailored for heavy-duty and severe duty race builds.
• Set of 8 pistons, perfect for complete V8 engine rebuilds or upgrades.
• Designed to withstand high RPM and extreme combustion pressures typical of racing applications.

Construction & Design:

These pistons are precision forged using Wiseco’s advanced manufacturing processes, ensuring uniform grain structure and enhanced mechanical properties. The forged aluminum alloy construction provides an excellent balance of lightweight design and strength, reducing reciprocating mass for improved engine response. The pistons are engineered with tight tolerances to maintain consistent ring sealing and minimize friction, contributing to better efficiency and power output.

The design incorporates a 0.945-inch wrist pin for increased durability and compatibility with high-performance connecting rods. The piston crown and skirt geometry are optimized to support combustion stability and reduce piston slap, enhancing overall engine smoothness and longevity.

Installation & Fitment:

This piston set is specifically designed for the Chrysler Gen III 6.4L HEMI engine platform, ensuring direct fitment without the need for modifications. The pistons are compatible with factory cylinder bores sized to 4.095 inches and standard rod lengths of 6.200 inches. Installation requires standard engine assembly procedures, and no special machining beyond standard bore sizing is typically necessary.

• Direct replacement for Chrysler 6.4L Gen III HEMI engines.
• Compatible with 6.200-inch connecting rods and 0.945-inch wrist pins.
• No cutting, drilling, or special tuning required for proper fitment.

What's Included:

• Set of 8 forged aluminum pistons
• Premium piston rings matched to each piston
• Wrist pins and circlips as required for assembly

Ideal For:

This Wiseco Professional Series piston set is ideal for:

• Serious racers building heavy-duty or severe duty Chrysler 6.4L HEMI engines
• Engine builders seeking reliable, high-strength pistons for track or drag applications
• Performance enthusiasts upgrading their Gen III HEMI for increased power and durability
• Builders requiring pistons that can withstand high RPM and extreme combustion pressures