775cc (85 lbs hr at OE 58 PSI fuel pressure) FIC Fuel Injector Clinic Injector Set for 4.8 5.3 6.0 Truck Motors ('07 '13) (High Z) (is305 0775h) backpressure This process involves removing the This process involves removing the sensor from the bung while still connected to the controller device Extensive in house durability testing and development has resulted in improved correlation between test bench and real road data and in house manufacturing allows for quality control of all components which provides the necessary evidence to deliver the 3yr warranty with confidence Every injector is covered against failure caused by defects in original manufacture by our lifetime warranty This injector set is precisely matched using Fuel Injector Clinic's proprietary Data Match Technology