Prox forged Piston kit

PROX Forged Piston (manufacturer part number 01.6348.A): an aluminum piston designed for trial and motocross machines with a 250 cm3 engine listed. Engineered for replacement during an engine rebuild, it adheres to the specified dimensions for a precise fit on off-road models.

• Material: Aluminum (forged piston)
• Diameter: Ø 80.960 mm
• Oversize: STD — Letter A
• Compression: Standard
• For a rebuild equivalent to the original equipment

This piston is intended for modifications and repairs on cylinders corresponding to this size. It integrates into machining and assembly operations carried out according to best practices: bore inspection, ring gap, orientation, and lubrication before installation. The forged aluminum finish provides a uniform part that meets the demands of motocross, where consistent performance and durability at high RPM are sought.

Compatible motorcycles (examples):

• KTM 250 SX-F ADAMO EDITION (2025 - 250 cm3)
• HUSQVARNA FE 250 (2024 - 250 cm3)
• GAS GAS MC 250 F (2024 - 250 cm3)