Fuel Injector Clinic High-Z Impedance Fuel Injector Set: 775cc (1999- 2004 Ford Cobra/ 2005- 2024 GT/ 2015- 2022 GT350/ GT500)   Set Your Pony Free. The Fuel Injector Clinic’s 775cc Fuel Injector Set may be just what your Mustang needs to reach the next level of power. With short pulse width repeatability and great linearity, this set of fuel injectors is very easy to tune. The result of this latest technology is greater power and greater drivability. This kit also includes all the O rings you’ll need for proper installation. Proprietary Technology. Each fuel injector is precisely matched to a tolerance of not more than 1% using Fuel Injector Clinic’s proprietary Data Match Technology. All the fuel injectors in this set have been flow tested at 90-degree fuel temperatures at 43.5psi. Included in the kit is a detailed flow sheet that provides the results for each fuel injector, which are identified by individual serial numbers. Saturated injected signal is matched to your Mustang’s specific OEM ECU. Your purchase of this set of fuel injectors is covered by Fuel Injector Clinic’s 12-month warranty. Application. This set of eight 775cc Fuel Injectors from Fuel Injector Clinic is intended for use with 1999-2004 Cobra, 2005-2024 GT, Dark Horse and 2015-2022 GT350, GT500 Mustangs.