EPI Complete Drive (Primary) Clutch Rebuild Kit for Polaris CX400013Drive (primary) kits includes enough parts to rebuild your Polaris P 85 or P 90 drive (primary clutch P 85 clutch, unless otherwise noted in chart Comes in two roller widths: narrow . 350in. and wide . 540in. Primary kit includes: cover bushing and retainer, movable bushing and retainer, rollers, roller pins, roller washers, buttons, button shims, weight pins and nuts Spider kit includes: rollers, roller pins, roller washers, buttons, button shims,