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Ref : PRO00458A / 1129321002
Prox

Prox forged Piston kit

Recommended retail price: 258,12 €219,40 €

Compatibility

Check that this part fits your motorcycle

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Features

PROX Forged Piston (ref. 01.7415.B) — Designed for engine restoration of motocross machines, this forged aluminum piston features machining dimensions suitable for standard preparations. Its "flat with hollow" design allows for precise adaptation to the combustion chamber profile and original settings.

  • Diameter (bore): Ø 94.970 mm (oversize letter B)
  • Compression: standard
  • Material: forged aluminum
  • Specificity: flat head with hollow for geometric compatibility
  • Manufacturer reference: 01.7415.B

This piston is aimed at riders and mechanics looking for a replacement part that conforms to the original equipment specifications for engine refurbishment (bore/grinding and assembly with suitable rings). Its finish and dimensions (oversize B) facilitate identification during replacement on prepared or re-machined blocks.

Main compatibilities:

  • BETA RR 430 4T RACING (2024 - 430 cm3)
  • BETA RR 430 4T (2024 - 430 cm3)
  • BETA RR 430 4T ENDURO RACING (2019 - 430 cm3)