Nissan Skyline RB26 Fuel Injector Clinic Injector Set: 6x750cc Peak & Hold / Low Impedance Disc Injectors Fuel Injector Clinic injector sets are precisely flow matched to within 1%. Each injector within each set is individually numbered and results for each injector are listed on a detailed flow sheet included with the set. Fuel Injector Clinic injectors are flow tested and rated at 43.5psi (3Bar) at 90ºF fuel temperature using CF-16B calibration fluid.Superior short pulse width control and tight manufacturing tolerances make these injectors easy to tune and provide great drivability.Fuel Injector Clinic injectors are set up to and include all o-rings needed to fit the factory application for the listed vehicle. For aftermarket or other unusual setups please contact us prior to placing your order to make sure you receive injectors that fit properly.Every injector is covered against failure caused by defects in original manufacture by our 12 month warranty. This injector set contains low impedance injectors matched to your vehicle’s factory fuel injector control system which may include an injector resistor pack working in conjunction with your vehicle’s OEM ECU. These injectors are also suitable for use with an aftermarket ECU made or set up for low impedance injectors driven by a peak and hold signal or by a saturated signal together with a resistor pack.