PISTON KIT 10-25 RM-Z 250 77mm C, PROX 01.3341.C COMP. 13.4:1
ProX Piston Kit 77mm bore. Includes piston rings, wrist pin, and circlips. Precision machined on CNC equipment using a low-expansion, low-friction piston alloy. Features OEM style tin coating for break-in assistance. Replacement parts: Piston Rings 02.3340, Piston Pin 04.1639.9, Piston Clips 05.1612C.
- SKU
- 56-W951.C.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit 77mm for RM-Z 250
This ProX Piston Kit is designed for high-performance four-stroke engines. It features a precision machined piston with a 77.00mm bore and a compression ratio of 13.4:1.
ProX pistons are manufactured using a state-of-the-art CNC machining process. The alloy used is a low-expansion, low-friction material identical to that used by major Japanese engine manufacturers.
For enhanced performance and durability, this kit includes:
- Piston rings
- Wrist pin
- Circlips
The piston utilizes an OEM-style tin coating to facilitate a smooth break-in process during the initial use of your machine.
Key Features:
- 77.00mm Bore Size
- 13.4:1 Compression Ratio
- Precision CNC Machined
- Low-Expansion, Low-Friction Alloy
- OEM Style Tin Coating for Break-in
- Complete Kit Includes Piston, Rings, Wrist Pin, and Circlips


