Part Number 01.6604.A
- ProX pistons are precision machined on the latest, state of the art CNC equipment.
- The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers.
- ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.
Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We have developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance.The latest cylinders are plated by a Nicasil plating.
1994-07 KTM 625 LC4
2002-07 KTM 625 SM
2002-07 KTM 625 SXC
1998-07 KTM 640 LC4 Duke
1994-97 KTM 620 LC4 EXC