PROX Forged Piston - Ref. 01.4348.A

Designed for competition and the demanding maintenance of 4T motocross bikes, the PROX piston reference 01.4348.A is a precise and robust replacement part. Machined in a forged version, it features a flat head with a raised center and 4 valve impressions to ensure perfect compatibility with the original cylinder head and valves.

• Brand: PROX
• Reference: 01.4348.A
• Type: Forged, 4-stroke
• Compression: Standard
• Diameter: Ø 76.95 mm (oversize letter A)
• Specificity: Flat head with raised center, 4 valve impressions

Main compatibilities: KAWASAKI KX 250 / KX 250 F (models KX252A 2017‑2019). Before installation, check the cylinder bore, piston/ring clearance, and follow manufacturer recommendations for break-in and ring alignment. The piston is delivered without rings or pin; be sure to check the condition of other bottom-end components during the overhaul.

Ideal for motocross riders seeking a quality wear part, this PROX piston combines precise dimensions and a profile suited to the 4T configurations of the KX250. A technical choice for reliable replacement on the track or in the workshop.