If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Polaris | ATP 500 | Base |
| 2010 | Polaris | Hawkeye 2x4 | Base |
| 2005 | Polaris | Sportsman 400 | Base |
| 2004-2008 | Polaris | Sportsman 500 6x6 | Base |