Xtreme Outdoor Power Equipment Replaces Warner 5217-9 5217-35 Ariens PTO Clutch 03643100 - Free Bearing Upgrade Xtremely cool coil design runs over 20% cooler for a longer service life  plus every clutch is backed by a buyer-protection 1-year warranty Replaces OEM: 03643100 Replaces Warner: 5217-9, 5217-6, 5217-35 Specs: 1.000" Crankshaft, 5.345" Pulley, Counter Clockwise, 1/2" or 5/8" Belt, 80 ft. lbs torque Free Upgraded - High Temperature Bearings. TOUGH Machined Billet Pulley with Replaceable Bearing - OEM Upgrade