PISTON KIT 05-09 CR250 66.40 B, PROX 01.1325.A1 HONDA MX
ProX Piston Kit B 66.40mm Bore. Precision machined on state-of-the-art CNC equipment using a low-expansion, low-friction piston alloy similar to that used by major Japanese engine manufacturers. This kit offers a first-class solution to replace the original piston. Features OEM style Tin coating to assist the wear-in process and a new skirt coating that reduces friction after wear-in, increasing performance. Nominal piston size is 66.35mm. Includes replacement parts PROX RING SET 02.1325, PROX PISTON PIN 04.1856, and PROX CLIPS 05.1812. Manufacturer part number 01.1325.A1.
- SKU
- 56-W860+00B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit - High Performance Replacement
Upgrade your engine with the ProX Piston Kit, engineered for exceptional performance and durability. This premium piston is precision machined using state-of-the-art CNC equipment, utilizing the same advanced low-expansion, low-friction alloy trusted by major Japanese engine manufacturers. ProX Piston Kits offer a superior solution for replacing original pistons in your motorcycle, scooter, moped, ATV, or personal watercraft.
This kit features a special coating designed to optimize performance and engine life. The OEM-style tin coating aids in the crucial break-in process, while a newly developed skirt coating not only assists with wear-in but also actively reduces friction once the engine is running. This advanced black coating, crafted from a specialized material blend, is proven to enhance overall performance.
Key Features:
- Precision machined from a low-expansion, low-friction alloy.
- Utilizes the same high-quality materials as leading Japanese manufacturers.
- Features advanced skirt coating for reduced friction and improved performance.
- Includes OEM-style tin coating to aid in the initial engine wear-in process.
- A first-class replacement part for your powersports vehicle.
Replacement Parts Available:
- ProX Ring Set
- ProX Piston Pin
- ProX Clips
Piston Nominal Size: 66.35mm
Kit Bore Size: 66.40mm


