Pro Clutch Kit - 20R 1975-1980 (8 7/8") 0 Pro Clutch Kit (8 7/8") All of LC Engineering's clutch kits feature all new components with a single diaphragm H.D. pressure plate. Don't be fooled by fancy spinning gizmos. A diaphragm clutch... $349.28 Quick view add to cart Add Wish List add to cart