YOU WILL RECEIVE ONE THROTTLE GOVERNOR LINK ROD RETURN SPRING SET. ONE GOVERNOR ARM, AND ONE THROTTLE CONTROL LEVER ASSEMBLY. THE GOVERNOR ROD, FUEL THROTTLE RETURN SPRING SET REPLACES PART NUMBERS 16562-ZE3-000, AND 16562-ZE3-700. THE GOVERNOR ARM REPLACES PART NUMBER 16551-ZE3-000. AND THE THROTTLE CONTROL LEVER ASSEMBLY REPLACES 16570-ZE3-W20. FOR GX390, GX340 11HP, 13HP, LAWN MOWER ENGINE MOTOR PARTS. Warning: Lead-Nickel-Cancer and Reproductive Harm