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Ref : PRO00452A / 1129319002
Prox

Prox forged Piston kit

Recommended retail price: 248,64 €211,30 €

Compatibility

Check that this part fits your motorcycle

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Features

The PROX forged piston (ref. 01.7355.B) is designed for the preparation and refurbishment of Cross engines requiring an OEM-compatible part. Made from forged aluminum, it features a "flat with hollow" design suitable for the modern combustion chambers of 4-stroke single-cylinder engines. The surface and machining adhere to original specifications for easy installation during an engine rebuild.

  • For a refurbishment equivalent to the original equipment
  • Compression: standard

Key features:

  • Diameter: Ø 87.970 mm (oversize B)
  • Material: forged aluminum
  • Specification: flat with hollow

This piston is intended for the specified displacements and meets the restoration tolerances. Before installation, check the cylinder bore, piston-cylinder clearance, and compatibility with ring sets and clips. Compatible notably with BETA RR 350 4T RACING (2024), BETA RR 350 4T (2024), and BETA RR 350 4T ENDURO RACING (2019) models.