Wiseco 900M05800 Wiseco 2022 Yamaha YZ125 58mm Bore GP Series Piston Kit

• Designed for all-purpose 2-stroke riding
• Engineered, forged, and machined in the USA in Mentor, OH
• Great value for reliable fun factor
• Refreshed performance from the track to the trail
• Dedicated forging design for strength-to-weight optimization
• Extra lightening operations for enhanced throttle response
• High-quality ring(s), wrist pin(s), and circlips included