Power, Precision & Performance
PROX RACING PARTS
Discover top-tier racing components with PROX.
Built to endure, engineered to win.


Size | Stock | Date |
---|---|---|
A - Ø53.94MM | Shipment after | 2025-08-28 |
B - Ø53.95MM | Shipment after | 2025-08-28 |
C - Ø53.96MM | Shipment after | 2025-08-28 |
ProX Racing Parts
ProX pistons are precision machined on state-of-the-art CNC equipment. The same low-expansion, low-friction piston alloy is used for all major Japanese engine manufacturers. ProX Piston Kits are a first-class solution to replace the original piston on your motorcycle, scooter, moped, ATV, personal watercraft, etc.
Models | From | Until |
Yamaha YZ 125 | 2002 | 2004 |
Stock indicators:
🟢 Green - The item is in stock with a quantity of more than 10 units.
🟡 Yellow - The item is in stock with a quantity of fewer than 10 units.
🔘 No indicator - If an estimated shipping date is provided, it means the item is in stock with the supplier.
Discover top-tier racing components with PROX.
Built to endure, engineered to win.