Stage6 Streetrace 70cc Piston — 47mm Diameter with 10mm Pin for Minarelli Vertical Engines Restore compression and performance with this OEM-quality replacement piston designed for Stage6 Streetrace 70cc cylinder kits.

As engine wear reduces compression over time, a fresh piston restores power delivery and throttle response. Complete kit includes piston, two compression rings, 10mm piston pin, and two circlips — everything needed for installation on Yamaha Bw's and MBK Booster Minarelli vertical platforms.

Full gasket set recommended for every installation to ensure proper sealing and longevity

•  Piston diameter: 47mm
• Compression rings : 2
• Piston pin : 10mm
• Piston size : A