PISTON KIT 2023-25 KTM 250SX-F, 2023-25 HUSKY FC250 81mm, PROX 01.6348.A
ProX Piston Kit 4-Stroke, 81.00mm Bore. Ready to install, this kit is supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use a low-expansion, low-friction piston alloy. Uses an OEM style tin coating to assist the break-in process. Part Number: 01.6348.A.
- SKU
- 56-W4984.A.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
FULL DESCRIPTION
ProX 81mm 4-Stroke Piston Kit
This ProX 4-Stroke Piston Kit is designed for optimal performance and durability. The kit includes the piston, piston rings, wrist pin, and circlips, providing a complete solution for your engine rebuild.
ProX pistons are manufactured using advanced CNC machinery, ensuring precision and consistency. They are constructed from a low-expansion, low-friction piston alloy, identical to that used by major Japanese engine manufacturers. This material choice contributes to excellent performance and longevity.
For an improved break-in process, this piston features an OEM-style tin coating. This coating helps to facilitate a smooth initial run-in period when you first start your machine, promoting better ring seal and reducing wear.
Key Features:
- Complete 4-stroke piston kit
- 81.00mm bore size
- Includes piston rings, wrist pin, and circlips
- Precision machined using state-of-the-art CNC equipment
- Low-expansion, low-friction piston alloy
- OEM style tin coating for assisted break-in


