Wiseco Professional Series Forged Racing Pistons
Chrysler 6.1L Gen III HEMI Small Block Mopar
K0111X25
Overview:
The Wiseco Professional Series forged racing pistons are engineered for serious racers and high-performance engine builders who demand uncompromising strength and durability. Designed specifically for the Chrysler 6.1L Gen III HEMI small block, these pistons deliver exceptional performance in heavy to severe duty race applications.
Whether you are building a track-focused race engine or a high-output street machine, these pistons provide the reliability and precision needed to push your build beyond factory limits. With a +8 cc dome design, they help optimize combustion chamber volume for improved power and efficiency.
Key Features:
Wiseco’s Professional Series pistons incorporate advanced materials and manufacturing techniques to ensure peak performance and longevity under extreme conditions. Key features include:
- Forged from premium-grade aluminum alloy for superior strength and heat resistance.
- +8 cc dome design to increase compression and optimize combustion efficiency.
- 4.080 inch bore size and 3.580 inch stroke compatibility for precise fitment in Chrysler 6.1L HEMI engines.
- 1.220 inch compression height tailored for Gen III HEMI block specifications.
- 0.984 inch wrist pin diameter for enhanced durability and reduced piston pin wear.
- Set of 8 pistons, perfect for complete V8 engine builds.
- Includes premium piston rings engineered for high-performance sealing and reduced blow-by.
- Designed to withstand heavy to severe duty racing environments, including drag, road course, and endurance racing.
Construction & Design:
Each piston is precision forged using Wiseco’s state-of-the-art manufacturing processes, ensuring consistent grain structure and mechanical properties. The forged aluminum alloy construction provides an excellent strength-to-weight ratio, reducing reciprocating mass and improving engine response.
The +8 cc dome shape is CNC-machined to exact specifications, optimizing combustion chamber shape and compression ratio for the Chrysler 6.1L HEMI engine. This design enhances power output while maintaining reliable detonation resistance under high boost or nitrous conditions.
Attention to detail in pin bore sizing and skirt coating further reduces friction and wear, contributing to longer engine life and improved efficiency.
Installation & Fitment:
This piston set is designed as a direct fit for Chrysler 6.1L Gen III HEMI small block engines. It is intended for professional engine builders and racers who require precision components for high-performance builds.
Proper machining and assembly practices are recommended to ensure optimal piston-to-cylinder wall clearance and ring end gap settings. No modifications to the block or connecting rods are typically required when installing these pistons.
What's Included:
- Set of 8 Wiseco Professional Series forged pistons with +8 cc dome.
- Premium piston rings matched to the piston specifications.
Ideal For:
- Serious racers building heavy to severe duty Chrysler 6.1L HEMI race engines.
- Performance enthusiasts seeking durable forged pistons for high-output street or track applications.
- Engine builders requiring precision components for custom or high-compression builds.