Wossner Forged Single-Ring Piston Kit - 8229D050 | +0.50mm Oversize for 1985-2001 Honda CR500R (89.42 mm)

Optimize your big-bore Honda CR500R for competition with the Wossner Forged Single-Ring Piston Kit (Part No. 8229D050). Engineered as a +0.50mm oversize piston with an 89.42 mm diameter, this single-ring configuration is specifically designed to minimize friction and maximize throttle response for high-performance riding.

Forged in-house by Wossner using premium aerospace-grade aluminum, this piston features their signature permanent skirt coating to reduce friction, minimize piston rock, and ensure a quieter, more efficient engine.

Vehicle Fitment

Kit Contents:

• Forged Single-Ring Piston (Part #8229D050)
• Single High-Performance Ring
• Wrist Pin (Part #WP086)
• Retaining Clips / Circlips (Part #CW20)

TSO Tip

The single-ring design is optimized for reduced drag, making it a favorite for racing applications where peak performance is the priority. As with all forged components, ensure your cylinder is bored and honed to the exact clearance specifications provided with the kit to guarantee optimal sealing and engine longevity.