- Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason
- Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression
- Specifically designed for the pro, semi-pro and amateur rider
- Freshens up their engine prior to a race or during mid-season
- Kits do not include valve stem seals, rubber part, shims or other fiber gaskets
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1989-1992 | Polaris | Big Boss 250 4x6 | |
| 1991-1993 | Polaris | Big Boss 250 6x6 | |
| 1987 | Polaris | Cyclone 250X | |
| 1985-1986 | Polaris | Scrambler 250 | |
| 1990-2006 | Polaris | Trail Blazer 250 | |
| 1988-1993 | Polaris | Trail Boss 250 2x4 | |
| 1987-1993 | Polaris | Trail Boss 250 4X4 | |
| 2000-2002 | Polaris | Xplorer 250 4X4 | |