
Designed for 250cc motocross machines, this PROX forged piston (manufacturer reference 01.6348.C) is aimed at riders and workshops looking for a replacement part that adheres to original specifications. Machined from an aluminum alloy, it features an oversize of +0.02 mm (letter C) and a nominal diameter of Ø 80.980 mm, suitable for the corresponding reboring.
Ideal for motocross engines, it fits into cylinder block renovation operations where adherence to tolerances is crucial. Its finish and dimensions allow for precise assembly with compatible rings and pins; ensure to check the clearances and perform a break-in according to manufacturer recommendations upon reassembly. Indicative compatibility: KTM 250 SX‑F ADAMO EDITION (2025), HUSQVARNA FE 250 (2024), GAS GAS MC 250 F (2024).