PISTON KIT 98-99 YZF400 92.00, PROX 01.2419.B, WRF400
2-RING A Piston Kit 92.00 mm Bore STD Compression 12.5:1. ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. Uses an OEM style tin coating to assist the break-in process. Replacement parts PROX RING SET 02.2419.
- SKU
- 56-W4649.B.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (3)
FULL DESCRIPTION
ProX Piston Kit - High-Performance Engine Rebuild Component
This ProX Piston Kit is engineered for precision and durability, offering a complete solution for your engine rebuild needs. Designed with a 92.00 mm bore and a standard compression ratio of 12.5:1, this kit ensures optimal performance and reliability.
Each ProX Piston Kit is meticulously manufactured using the latest CNC equipment. The pistons are crafted from a low-expansion, low-friction alloy, mirroring the materials used by major Japanese engine manufacturers. This advanced alloy contributes to smoother operation and extended engine life.
For an easier and more effective break-in process, the pistons are treated with an OEM-style tin coating. This coating helps to reduce initial friction when you first start your machine, promoting a better seating of the piston rings.
Key Features:
- 2-Ring piston kit
- 92.00 mm Bore size
- Standard Compression Ratio: 12.5:1
- Includes piston rings, wrist pin, and circlips for a complete installation
- Precision machined on state-of-the-art CNC equipment
- Constructed from a low-expansion, low-friction piston alloy
- OEM-style tin coating assists in the break-in process
- Designed for direct replacement and optimal engine performance
This kit is a high-quality replacement part for your engine, ensuring that your machine runs at its best.
Replacement ring set available separately: PROX RING SET 02.2419.


