Wiseco Pistons PK1032 High-Performance Piston Kit Compression - 85.5mm 10 1

The Wiseco PK1032 is a complete high-performance piston kit engineered for Honda XR400, TRX400EX, and TRX400X applications. This kit features an 85.5mm bore diameter with a 10.0:1 compression ratio, delivering increased power and throttle response for demanding off-road and racing conditions.

Kit Includes:

• Forged aluminum piston with optimized skirt coating
• Piston rings and wrist pin
• Circlips for secure installation
• Complete top-end gasket kit

Key Features:

• 100% Made in USA: All pistons are forged in-house with complete manufacturing control from raw materials to finished parts
• Forged Construction: Superior strength and durability compared to cast pistons, with condensed grain structure aligned to part features for maximum impact and fatigue resistance
• Optimized Design: Advanced skirt coating reduces friction and wear while maximizing strength-to-weight ratio
• Race-Proven: Developed through extensive dyno testing and R&D to withstand extreme racing conditions
• Precise Specifications: 85.5mm bore diameter provides reliable performance and proper cylinder wall clearance

Wiseco pistons are the choice of professional racers and performance enthusiasts who demand the toughness and reliability that only forged construction can provide. This complete kit includes everything needed for a professional top-end rebuild.