Leybold KIT,SEAL&GASKET,VITON,SV40/65 for SV40 BR1,SV40 BR2,SV65 BR1,SV65 BR2. Minor repair kits include o-rings, gaskets, washers, shaft seals & other components for light overhaul. Major repair kits include all components of Minor kits plus vanes, springs, sight glass & coupling element for Major overhaul.