Power, Precision & Performance
PROX RACING PARTS
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
| Size | Stock | Date |
|---|---|---|
| A - Ø39.46MM | Estimated shipping on | 2026-07-16 |
| B - Ø39.47MM | Estimated shipping on | 2026-07-16 |
| C - Ø39.48MM | Estimated shipping on | 2026-07-16 |
The PROX piston is designed for high-revving 2T engines, ensuring superior performance and excellent thermal resistance in rigorous motocross and enduro conditions. Compatible with KTM SX 50, Husqvarna TC 50, and GASGAS MC 50 from 2009 to 2026.
Manufactured from forged high-quality material, it offers outstanding wear resistance and thermal stability under demanding engine loads. Includes precision rings, lightweight and durable piston pin, and circlips for secure assembly. Pin Bearing is not included, as per specification for 2T applications.
Cast
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.
