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Ref : PRO00255A / 1094902002
Prox

Prox Forged Piston kit

Recommended retail price: 186,23 €158,30 €

Compatibility

Check that this part fits your motorcycle

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Features

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)