Product Line:Trick Flow® TFX™ Fuel Injectors Injector Advertised Flow Rate (lbs/hr):30 lbs./hr. Injector Advertised Flow Rate (cc/min):309.0cc/min Injector Impedance:14.4 ohms Driver Type:12V saturated circuit Overall Height (in):2.880 in. Seat to Seat Height (in):2.270 in. Manifold O-Ring Outside Diameter (in):0.573 in. Fuel Rail O-Ring Outside Diameter (in):0.574 in. Outside Diameter (in):0.943 in. Injector Plug Style:Jetronic/Minitimer Wiring Harness Included:No O-Rings Included:Yes Quantity:Sold as a set of 8. Notes:Computer tuning may be required.