PISTON KIT 15-25 BETA RR390 Enduro 88mm, PROX 01.7365.C
ProX Piston Kit 88mm (C. 87.98mm) includes piston rings, wrist pin, and circlips. Precision machined using state-of-the-art CNC equipment and a low-expansion, low-friction piston alloy, similar to that used by major Japanese engine manufacturers. Features an OEM-style tin coating to aid the break-in process. Part number 01.7365.C.
- SKU
- 56-W9846.C.PROX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit 88mm
This ProX Piston Kit is designed for optimal performance and durability. Precision machined using state-of-the-art CNC equipment, these pistons utilize a low-expansion, low-friction alloy identical to that used by major Japanese engine manufacturers.
Each ProX Piston Kit comes complete and ready for installation, including all necessary components:
- Piston
- Piston Rings
- Wrist Pin
- Circlips
The piston features an OEM-style tin coating to facilitate a smooth break-in process during the initial use of your machine. The bore size is 88mm, with an actual piston diameter of 87.98mm.


