PISTON KIT 16-18 YZF250 77.00, PROX 01.2417.B 1SM-11631-10-00, 13.5:1 (76.96mm)
ProX Piston Kit 13.5:1 (76.96mm) PROX 01.2417.B. This kit includes piston rings, wrist pin, and circlips. ProX pistons are precision machined using a low-expansion, low-friction piston alloy. They feature an OEM-style tin coating to assist with the break-in process. Replacement ring set: 02.2417.
- SKU
- 56-W4966.B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
FULL DESCRIPTION
ProX Piston Kit 13.5:1 (76.96mm)
This ProX Piston Kit is engineered for high performance and durability, featuring a 13.5:1 compression ratio for enhanced power output. The piston itself measures 76.96mm, with the kit specifically designed for precision engine work.
ProX pistons are manufactured using the latest state-of-the-art CNC equipment, ensuring exceptional accuracy and consistency. The alloy used is a low-expansion, low-friction material, mirroring that used by major Japanese engine manufacturers.
For optimal performance and longevity, this piston kit includes all necessary components for installation:
- Piston Rings
- Wrist Pin
- Circlips
Additionally, the piston features an OEM-style tin coating. This coating aids in the break-in process, providing a smoother initial run for your machine.


