When thinking quality secondary clutch rollers, think EPI. EPI has 30 + years of real-world manufacturing and engineering of secondary clutch rollers. EPI takes a unique approach of testing their secondary clutch rollers in a real-world riding environment to ensure their secondary clutch rollers meets the requirements of our customers. Secondary Complete Kits usually include a cover bushing, movable bushing, buttons or rollers, bolts or screws and a snap ring.