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