- Pro-X offers a complete line of piston pin bearings for the Dirtbike, Snowmobile, ATV and PWC engines.
- The piston pin bearings are manufactured by the leading Japenese OEM factories.
- All piston pin bearings are designed and developed to OEM specifications and are used for Pro-X pistons and OEM replacement.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1998 | Arctic Cat | ZR 440 | |
| 1998-2000 | Arctic Cat | ZR 440 Sno Pro | |
| 2001 | Arctic Cat | ZR 440 Sno Pro Sno Cross | |