Xtreme Outdoor Power Equipment Replaces Warner 5218-29 Cub Cadet PTO Clutch 717-3446, 717-3446P, 917-3446 - Upgraded Bearings! 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: 717-3446, 717-3446P, 917-3446 Replaces Warner: 5218-29 Specs: 1.000" Crankshaft, 6" Pulley, Counter Clockwise, A/B Belt, 205 ft. lbs torque Free Upgraded - High Temperature Bearings. TOUGH Machined Billet Pulley with Replaceable Bearing - OEM Upgrade