PISTON KIT 92-04 KX250 66.40 D, PROX 01.4322.D
Piston 2-stroke kit 66.40mm 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 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. Replacement parts include piston rings 02.4312, piston pin, and piston clips 05.1812. Cross reference numbers: 13001-1645. Manufacturer: Pro-X Racing.
- SKU
- 56-W617.D.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit 66.40mm Bore
This ProX Piston Kit is designed for a 66.40mm bore and includes all necessary components for installation. Each kit is precision-machined using advanced CNC equipment and features a low-expansion, low-friction piston alloy identical to that used by major Japanese engine manufacturers.
The kit includes:
- Piston
- Piston Rings
- Wrist Pin
- Circlips
A tin coating is applied to assist with the break-in process of your machine. This kit is a direct replacement for OEM parts.


