ALTERNATIVE JDG1515 Fuel Injection Nozzle Tool Used to removed the injectors from Powertech engines 4.5L and 6.8L or Models 3029, 4024, 4039, 4045, 5030 or 6059. RSN Fuel Injectors. JDG1515-2 Used to loosen or tighten lock nut of pressure adjusting screws on injection RSN nozzleOEM reference : JDG1515 , JDG1515-1 , JDG1515-2 , JDG1515-3,JDG1515-4High quality aftermarket tool LOCATED IN U.S / SHIP FROM U.S / PROUD OF U.S!