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Ref : PRO00632A / 1129317001
Prox

Prox forged Piston kit

Recommended retail price: 168,98 €143,60 €

Compatibility

Check that this part fits your motorcycle

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Features

PROX forged piston specially designed for Cross practice. Machined from an aluminum alloy, this piston features a dome geometry and standard compression, suitable for engine rebuilds that respect original specifications.

  • Brand: PROX
  • Manufacturer reference: 01.6343.D
  • Type: Forged piston
  • Material: Aluminum
  • Diameter: Ø 66.370 mm (66.370 mm)
  • Oversize: Letter D
  • Compression: Standard
  • Specificity: Dome

Designed to restore original dimensions after a D oversize reboring, this piston is suitable for 250 cc cross engines. Its forged design offers good material homogeneity, suitable for the demands of amateur competition displacements and off-road sessions.

Compatibility (examples of common models):

  • KTM 250 SX (2025 - 250 cc)
  • HUSQVARNA TE 250 (2024 - 250 cc)
  • GAS GAS MC 250 (2024 - 250 cc)

Always check the bore and tolerances of your cylinder before installation and replace the rings and clips according to manufacturer recommendations.