Bosch 550cc/52lb Injectors w/ Adapters. Coil Resistance: 12 Ohms (This high-impedance injector will work with all factory ECM/PCM injector drivers) Spray Pattern: Wide Split Cone, (6 orifice) EV14 Fitted with Viton upper and lower o-rings. Static Flow Rate @ 43.5PSI (300kPa): 51.72 lb/hr = 6.52g/s = 544cc/min (+/-3%) Includes adapters.