... , VALVE PALTE L/R , PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT XA8V55/59/80/107/115/ 172, DRIVE ... , VALVE PALTE L/R , PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT, DISK SPRING, HEAD COVER.BALL , Excavator Parts ... , VALVE PALTE L/R , PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT, DISK SPRING, HEAD COVER.BALL , Excavator Parts ...