PISTON KIT 99-25 YZ250 66.40 B, PROX 01.2321.B RM250 03-12
ProX Piston Kit with a 66.40mm bore size. The piston size is 66.36mm. This piston kit is manufactured using state-of-the-art CNC equipment with a low-expansion, low-friction piston alloy, matching that used by major Japanese engine manufacturers. ProX Piston Kits offer a high-quality replacement for original pistons in motorcycles, scooters, mopeds, ATVs, and personal watercraft. Many ProX pistons feature a Tin coating to aid the wear-in process and a new skirt coating designed to reduce friction after break-in, contributing to increased performance. The kit includes part number 01.2321.B.
- SKU
- 56-W742.B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit 66.40mm Bore
Upgrade your engine's performance and reliability with this precision-engineered ProX Piston Kit. Designed to meet the exacting standards of major Japanese engine manufacturers, this kit features a piston machined on state-of-the-art CNC equipment using a low-expansion, low-friction alloy.
This ProX Piston Kit offers a premium solution to replace your original piston, ensuring optimal performance for your powersports vehicle.
Key Features:
- Piston Bore Size: 66.40mm
- Piston Diameter: 66.36mm
- Crafted with a low-expansion, low-friction piston alloy.
- Coated for ultimate performance and reduced friction.
- Tin coating assists the wear-in process and reduces friction after wear-in.
- Black skirt coating is a unique blend of materials to increase performance.
- Precision machined using the latest CNC equipment.
