
PROX Forged Piston - Manufacturer Ref. 01.4351.A
Designed for motocross, this PROX forged aluminum piston is aimed at riders looking for a robust engine part that can withstand high RPM conditions. Its forged design provides a homogeneous structure, and the factory finish allows for a precise fit in the bore.
The PROX piston fits engines requiring oversize A and is suitable for KAWASAKI KX 250 (KX252B - 2021 and KX252C - 2022) among other compatible applications. It is ideal for engine rebuilds or to replace a worn piston during a complete service.
Before installation, check the condition of the bore, the piston/ring clearance, and follow the manufacturer's recommendations for assembly (pin, clips, timing, and lubrication). A reliable replacement part for those who want to maintain the performance and longevity of the top end without unplanned modifications.