This Stage 1 clutch kit features just what it takes for tuning your Ranger 900 primary clutch. This kit includes our magnetic adjustable Goldstar clutch weights. These weights offer a superior profile for big acceleration. They are very easily adjustable with snap in snap out magnets. The kit also includes our custom primary spring which improves clutch back shift and helps hold peak RPM without as much fade as the factory spring. For even better results use our Stage 3 clutch kit HERE!