THIS SALE IS FOR TWO (2) BOTTLES, FACTORY FRESH AND FACTORY SEALED,SAFE FOR ANY GASOLINE ENGINE USING LEADED OR UNLEADED GASOLINE. EACH 5 1/4 fluid ounce BOTTLE TREATS UP TO 21 GALLONS, STP SUPER CONCENTRATED FUEL INJECTOR CLEANER UNCLOGS DIRTY FUEL INJECTORS, SAVES GAS BY CLEANING FUEL INJECTORS RESTORING LOST FUEL EFFICIENCY, RESORES LOST POWER AND ACCELERATION, SMOOTHES ROUGH IDLE AND ELIMINATES TOUGH STARTS.
