Power, Precision & Performance
PROX RACING PARTS
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
| Size | Stock | Date |
|---|---|---|
| A - Ø66.34MM | Estimated shipping on | 2026-07-15 |
| B - Ø66.35MM | Estimated shipping on | 2026-07-15 |
| C - Ø66.36MM | Estimated shipping on | 2026-07-15 |
The Prox piston is a key component for 2-stroke Beta RR and Xtrainer 250 engines from 2013 to 2021, providing reliable performance, excellent thermal resistance, and efficient sealing suited for motocross and enduro environments.
Constructed from high-strength alloy, it features precisely machined surfaces for optimal engine performance and durability. The kit includes piston, rings, piston pin, and circlips. According to 2T specifications, the pin bearing is not included.
Stock Status Indicators:
🟢 Green – Item is in stock and available for immediate delivery.
🟡 Yellow – Item is in stock at the supplier. Please check the estimated shipping date.
🔴 Red – Item is out of stock.
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
