Kit, HP Check Valve Repair, Inlet-Outlet, .875 Plunger, 60K. Utilized on early Neoline units with washer style inlet poppet. Each 80074057 Repair Kit contains one each of the following parts: 05112768 Seat, 05116561 Discharge Poppet, 05116751 Poppet Pin, 05144662 60K Inlet Poppet, 10107894 55K Inlet Poppet, 05147863 Compression Spring, 49884562 Compression Spring and 72132282 ADH Thread Locker.