The cover is designed to use Arctic Cat or Polaris springs providing a wide variety of spring rates to choose from. Each clutch assembly comes with assembly - disassembly tools.
US PATENT # 8,409,0039,B2
When ordering use this guide to help you pick options
Choose style - Pick what Rage clutch you want, Rage 4 is your basic replacement clutch, Rage 6 and 8 are the patented dual stage clutch.
Choose a pin kit – You will need to pick one of the pin kits listed for the weight style you are going to use.
If unsure with requirements please call in your order.