Arctic Cat - High Altitude Clutch Weights J14-64 - 9000ft+ -

Changes the clutch calibration from factory 0-5000ft to 9000ft+
You will reuse your stock helix, drive clutch spring, and driven clutch spring

Kit includes:

3 0646-903 64 gram Cam Arm Weights

Part # 7639-516 replaces Part # 7639-661