Vertex 39.47mm Standard Bore Cast Piston Kit (22813CD)
- Piston is heat treated with a T-5 hardening and tempering cycle
- Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
- Gravity-cast aluminum alloy (not forged) with 18% silicone content
- Cast OE replacement piston
- Kit includes piston, rings, wrist pin and circlips
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2007-2008 | KTM | 50 SX | |
| 2007-2008 | KTM | 50 SX Junior | |
| 2008 | KTM | 50 SX Mini | |
| 2002-2007 | KTM | 50 SX Pro Junior LC | |
| 2002-2006 | KTM | 50 SX Pro Sr LC | |