LT4 GDI Package | Gen II +30% Injectors and Big Bore PumpThis package includes a set of 8 Gen II LT4 GDI +30% Injectors and 1 Lingenfelter Big Bore Direct Injection High Pressure Pump Part Number: FICGDI P These are designed for the new GM LT series engines. With a 30% increase in flow over stock LT4 injectors, these supply the needed fuel flow for high horsepower applications without having to resort to auxiliary fuel systems. These injectors utilize the same nozzle that was designed by GM, which is the