PISTON KIT 09-11 KTM400 EXC 95, PROX 01.6439.B HUSQVARNA
ProX Piston Kit 88.00 mm Bore 4-Stroke. Includes piston rings, wrist pin, and circlips. Precision machined using state-of-the-art CNC equipment with a low-expansion, low-friction piston alloy. Features an OEM-style tin coating for break-in assistance. Replacements parts. Kit includes ProX Ring Set 02.6429, ProX Pin 04.1947.5, and ProX Clips 05.1912. Part number 01.6439.B.
- SKU
- 56-W4739.B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit - 88.00 mm Bore
Upgrade your motorcycle's performance with this ProX Piston Kit, designed for optimal engine function. This kit provides a direct replacement for your original piston, ensuring a precise fit and reliable operation. Each ProX Piston Kit is manufactured using advanced CNC machining technology and a high-quality, low-expansion, low-friction piston alloy, mirroring the materials used by major Japanese engine manufacturers.
This comprehensive kit includes everything you need for a seamless installation:
- ProX Piston
- Piston Rings
- Wrist Pin
- Circlips
Featuring an OEM-style tin coating, this piston aids in a smooth break-in process, helping your engine perform at its best from the start. All components are precision-engineered for durability and performance. Replacement parts for this kit are also available, including ProX Ring Set 02.6429, ProX Pin 04.1947.5, and ProX Clips 05.1912.
Key Features:
- Precise 88.00 mm bore size for specific engine applications.
- Constructed from a superior low-expansion, low-friction alloy.
- Includes all necessary components: piston, rings, wrist pin, and circlips.
- OEM-style tin coating for enhanced break-in.
- Manufactured using state-of-the-art CNC equipment.
- Designed for reliable performance and longevity.


