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Ref : PRO00441A / 1129312003
Prox

Prox Piston kit

Recommended retail price: 212,15 €180,30 €

Compatibility

Check that this part fits your motorcycle

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Features

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.