
PROX forged piston designed for high-performance work on Cross machines. Made of aluminum and presented in oversize "C", this piston features a "flat with hollow" profile to fit the specific combustion chambers of 430 cm3 engines. Intended for refurbishment and restoration, it allows for a replacement that conforms to original specifications to achieve appropriate bore clearances.
This piston is aimed at engine preparations and revisions where restoring to original specifications is sought. Before installation, check the cylinder bore, the piston pin clearance, and use appropriate rings, clips, and pins. Its manufacturer reference allows for precise identification of the part during refurbishment.
Compatibility examples: BETA RR 430 4T RACING (2024), BETA RR 430 4T (2024), BETA RR 430 4T ENDURO RACING (2019).
Manufacturer reference: 01.7415.C