Hunterworks spent a long time on this project making sure we got it right, again we have not followed the path others have because we did our own testing not relying on others. For a full explanation see our tech article by clicking on the link below to further explain the sheave.

Machined Sheave Update

04-07 Rhino 660s Only

To read the installation manual go to our manuals page.

Watch the Install Video

Features:

• Increases Top Speed to 58mph with our CDI and sheave on a stock Rhino
• Higher speeds attainable but extensive engine mods will be needed
• Lowers engine RPM when cruising
• Second best Rhino mod with the CDI being first
• Kit includes a new Rhino sheave, new seals and just the right amount of machining
• Please read the article first before purchasing
• Add a new CVT belt on the options below and save $10