South Bend Clutch Dyna Max organic clutch kits are manufactured with performance organic friction material. Designed to provide smooth clutch engagement, South Bend Clutch Dyna Max organic clutch kits include everything you need to do the job. Many kits include KEVLAR® pilot bushings. These kits are available for a variety of applications; with or without a flywheel. 1947-OK ---- 13" Full organic clutch kit w/ flywheel 400 hp 800 trq 15k towing capacity.