Wiseco's bottom-end rebuild kits help save time and money for your dirt bike, ATV, or UTV bottom-end rebuild. Available for many popular applications, these kits contain a crankshaft assembly, main bearings, and a bottom-end gasket kit, all in one box under one part number.
- Gasket kits supply all gaskets and seals specified under one part numberManufactured by leading gasket suppliersInspected for quality and accuracyA must-have to get every rebuild done right!
- Copper-plated, heat-treated, and shot-peened connecting rod to remove residual stress and smooth surface blends
- Includes complete crankshaft assembly, main bearings, and complete bottom-end gasket and seal kit in one box
- OEM quality main bearings and rod bearings for smooth operation and reliable longevity
- Elevated engineering and quality control measures to ensure reliable service
- Precision machined crank webs for ultimate strength and durability
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1985-1991 | Polaris | 400 | Base |
| 1993-1998 | Polaris | 440 | Base |
| 1991-1999 | Polaris | Sport | Base |
| 1985-1986 | Polaris | SS | Base |
| 1994-1996 | Polaris | Super Sport | Base |
| 1985-1986,1993 | Polaris | Trail | Base |
| 1997-1998 | Polaris | XCF | Base |
