Prox Piston kitRef : PRO00441A / 1129312003

PROX Piston Kit – Reference 01.4353.C

Specifically developed for the motocross world, this PROX piston kit includes all the necessary elements for an engine overhaul after reboring. The aluminum piston is machined with a "flat with raised top" design, oversize +0.02 (letter C) for a diameter of 77.980 mm – a tolerance suitable for corrected bores.

• Diameter: Ø 77.980 mm (Ø 77.980)
• Oversize: +0.02 (letter C)
• Material: Aluminum
• Specificity: Flat with Raised Top (optimized combustion dome)

This kit is aimed at riders and mechanics looking for a reliable wear part to restore piston/ring clearances after wear or reboring. The design emphasizes a balance between lightweight and mechanical strength, suitable for the demands of off-road riding and the rev ranges used in motocross.

Delivery Contents:

• Piston
• Rings
• Piston Pins
• Circlips

Main compatibilities: KAWASAKI KX 250 X (2023/2024) and KAWASAKI KX 250 (2024). Always check the bore and engine specifications before installation to ensure the kit's compatibility.