Review on 🏎️ Ford Racing M-9593-LU24A High-Flow Fuel Injector Kit (Pack of 8) by Joel Miranda

Installed in 04 f150 5.4 3v. The engine is assembled and modified. Tuning with stock injectors was difficult. Installing it allowed us to bring the MAF tables back and produce a much smoother idle. Injector data is on the Ford Racing website and can be easily copied into a setup using HP Tuners. Another thing I love about these nozzles is the six spray holes compared to four on the OEM nozzles. When you test both injectors on the dyno you can really see how much better the fuel is atomized compared to the stock injectors. I would not install without tuning as it will fill up your engine. May be ok with 05-08 engines as they have different injectors. I believe the 05-06 injectors were only Siemens 2-hole injectors, so I could see that they were a significant improvement over the stock injectors (provided they are properly timed).