Injector Advertised Flow Rate (lbs/hr):210 lbs./hr Injector Advertised Flow Rate (cc/min):2,200.0cc/min Injector Plug Style:Denso/Sumitomo Injector Impedance:9.1 ohms Driver Type:12V saturated circuit Manifold O-Ring Outside Diameter (in):0.551 in. Outside Diameter (in):0.630 in. Wiring Harness Included:Yes O-Rings Included:Yes Quantity:Sold as a set of 8.