PISTON KIT 11-14 KX250F 77mm A, PROX 01.4342.A
ProX Piston Kit 01.4342.A. This 4-stroke piston kit features a 77.00mm bore and a compression ratio of 13.5:1. It is supplied complete with piston rings, wrist pin, and circlips, ready for installation. ProX pistons are precision machined using state-of-the-art CNC equipment and employ a low-expansion, low-friction piston alloy similar to that used by major Japanese engine manufacturers. The kit includes an OEM-style tin coating to aid in the break-in process. Replacement parts available include piston rings (02.4336) and piston clips (05.1612C). This kit is manufactured by Pro-X Racing.
- SKU
- 56-W952.A.PX
- Brand
- Pro-X Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Piston Kit 77mm for Performance Engines
This ProX Piston Kit is meticulously engineered to enhance the performance of your engine. Each kit is designed for precision and durability, utilizing top-tier materials and manufacturing processes.
Key Features:
- Piston Size: 77.00mm bore diameter.
- Compression Ratio: Features a 13.5:1 compression ratio for increased power output.
- Complete Kit: Supplied ready for installation, including piston rings, wrist pin, and circlips.
- Advanced Materials: Utilizes a low-expansion, low-friction piston alloy, identical to that used by major Japanese engine manufacturers.
- Precision Machining: Pistons are precision machined on state-of-the-art CNC equipment.
- Break-In Assistance: Includes an OEM style tin coating to aid the break-in process for optimal initial performance.
- Replacement Parts Available: Piston rings (02.4336) and piston clips (05.1612C) are available separately.


