Prox Forged Piston kitRef : PRO00255A / 1094902002

PROX Forged Piston – Ref. 01.7309.B
Designed for cross use, this PROX forged piston combines robustness and a refined finish for 2T engines of 250 cm³. Machined from a specific aluminum alloy and surface-treated, it aims to maintain a good balance between durability and engine performance without heavy modifications to the cylinder.

• Diameter: Ø 66.350 mm (letter oversize B)
• Compression: Standard
• Material: Forged aluminum
• Specificity: Domed head with 2 lubrication holes on the exhaust skirt
• Compatible needle cage: 400403
• Usage: Equivalent replacement to original, suitable for cross machines
• Treatment: Patented surface treatment to reduce friction in the cylinder

The PROX piston is aimed at riders looking for a reliable replacement part to preserve the health of the top-end and optimize endurance in off-road conditions. Check compatibility with your model before installation.

• Top compatibility: TM RACING MX 250 (2020)
• Also for: EVO-SET XC250R (2015)
• And: TM RACING EN 250 2T FI ES (2020)