EPI Performance Polaris RZR Trail S 1000 Clutch Kits Commander Glass Windshield EPI Performance Wheel Spacers for 26x9 12 EPI Performance Wheel Spacers for Polaris RZR 570 Models are great if you want to give your RZR a wider stance or have room for wider tires Designed with 3 things in mind rider benefit Mudder KitDesigned for mud riding with aggressive lug tiresHelps restore power loss due to addition of mud tiresBetter low end power and torque to get tires turning in the mudQuicker backshift which results in crisp throttle responseReduced belt slip and clutch heat Sand Dune KitDesigned and tested specifically for sand dune applicationsDifferent kits for stock and paddle tiresHelps hold peak power RPM when dune riding and climbing hillsBetter low end power and torqueQuicker backshift which results in crisp throttle responseReduces belt slip and clutch heat Rock Crawler KitDesigned and tested specifically for rock crawling applicationsCalibrated to provide a low engagement rpm to support technical maneuversAdded belt squeeze to eliminate belt slipSlow shifting phase that provides a smooth rock crawling technical driving experienceFor low mid range speeds only increased horsepower