TH IS IS A COMPLETE BEAD BREAKING AIR CYLINDER REBUILD KIT / SEALS FOR MANY RANGER TIRE CHANGER TIRE CHANGING MACHINES. IT INCLUDES ALL REPLACEABLE SEALS INCLUDING 2 MAIN PISTON SEALS, 1 X SHAFT SEAL, AND AN END CAP ORING TO DO A COMPLETE REBUILD ON YOUR RANGER BEAD LOOSENING CYLINDER.