Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.
- Dedicated forging design for strength-to-weight optimization
- Extra lightening operations for enhanced throttle response
- Engineered, forged, and machined in the USA in Mentor, OH
- High-quality ring(s), wrist pin(s), and circlips included
- Refreshed performance from the track to the trail
- Designed for all-purpose 2-stroke riding
- Great value for reliable fun factor
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-1995 | Polaris | 300 2x4 | Base |
| 1994-1995 | Polaris | 300 4x4 | Base |
| 1994 | Polaris | Big Boss 300 6x6 | Base |
| 1995 | Polaris | Trail Boss 300 2x4 | Base |
| 1995 | Polaris | Trail Boss 300 4x4 | Base |
| 1996-2000 | Polaris | Xplorer 300 4x4 | Base |
| 1996-1999 | Polaris | Xpress 300 | Base |