PISTON KIT 99-25 YZ250 66.40 C, PROX 01.2321.D RM250 03-12
ProX Piston Kit with a 66.40mm bore. This kit features a low-expansion, low-friction piston alloy, identical to that used by major Japanese engine manufacturers. ProX pistons are precision machined using state-of-the-art CNC equipment. Most ProX pistons include a coating designed to assist in the wear-in process and reduce friction after wear-in, increasing performance. The piston size is 66.38mm. Part number 01.2321.D.
- SKU
- 56-W742.D.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
FULL DESCRIPTION
ProX Piston Kit 66.40mm Bore
This ProX Piston Kit is designed for optimal performance and longevity, featuring a 66.40mm bore size. The piston itself measures 66.38mm, ensuring a precise fit. Crafted using state-of-the-art CNC equipment, ProX pistons utilize the same advanced low-expansion, low-friction alloy trusted by major Japanese engine manufacturers. This kit provides a high-quality replacement for your original piston.
Key Features:
- Precision machined with advanced CNC equipment.
- Utilizes a low-expansion, low-friction piston alloy, same as used by major Japanese engine manufacturers.
- Coated for ultimate performance: Features OEM style Tin coating to aid the initial wear-in process.
- New skirt coating developed to assist wear-in and reduce friction post wear-in.
- Black coating is a proprietary mix of materials designed to increase performance.
