Injector Advertised Flow Rate (lbs/hr):81 lbs./hr. Injector Advertised Flow Rate (cc/min):850.0cc/min Injector Impedance:12 ohms Driver Type:12V saturated circuit Overall Height (in):2.200 in. Seat to Seat Height (in):1.890 in. Manifold O-Ring Outside Diameter (in):0.550 in. Fuel Rail O-Ring Outside Diameter (in):0.550 in. Outside Diameter (in):0.650 in. Injector Plug Style:USCAR Wiring Harness Included:No O-Rings Included:Yes Quantity:Sold as a set of 8.