The Story
Piston 4-Stroke Kit 78.00mm Bore.
Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state
of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.
Kawasaki
KX 250 (2023 - 2024),
KX 250X (2023 - 2024)
PROX 01.4353.B
77.97mm
Description
Piston 4-Stroke Kit 78.00mm Bore.
Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state
of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.
Kawasaki
KX 250 (2023 - 2024),
KX 250X (2023 - 2024)
PROX 01.4353.B
77.97mm
