1650cc (180 lbs hr at OE 58 PSI fuel pressure) FIC Fuel Injector Clinic Injector Set for 4.8 5.3 6.0 Truck Motors ('99 '06) (High Z) (is304 1650h) Wiring Adapters:PADPJtoGM8 It didn’t take long for It didn’t take long for weak points of the vehicle to become chatter across the internet the Red Alpha Race Heat Exchanger has what you need to take your Infiniti Q50 or Q60 to the next level These injectors utilize the latest technology and provide great linearity and short pulse width repeatability Fuel Injector Clinic’s 1650cc min high impedance injector is the largest high impedance injector compatible with all race fuels and has excellent idle performance in street driven cars while still providing enough fuel to support higher horsepower output on both E85 and gasoline