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Powerstroke Fuel Injectors - Stage 5 by Unlimited Diesel


This Powerstroke fuel injector with 450cc/400% Nozzles is custom bulilt to suit your particular application and must be paired with the proper amount of airflow so that it makes more power than the Stage 4. It is entirely possible to make less HP than the Stage 4 injector when run with the wrong combination of airflow. Dual high pressure oil pumps, fuel systems, head studs, BIG Turbo(s), heavy-duty drivelines, and CUSTOM tuning, are not a recommendation, they are REQUIRED!!

*Sold as a set of 8