SPE Motorsport 2011-2023 Mustang 5.0 & 5.2 Fuel Rails Duramax Pre-installed O-Rings

Pre-installed O-Rings

7L Powerstroke

Eliminates the need for calibration box

The box/shield design went through many renditions during the design phase including a closed box

SPE Motorsport 2011-2023 Mustang 5.0 & 5.2 Fuel Rails Duramax Pre-installed O-RingsSPE Motorsport 2011 2023 Mustang 5. 0 & 5. 2 Fuel Rails SPE is happy to introduce our new 5. 0 5. 2 mustang billet fuel rails. When trying to make more horsepower with your mustang, be it with pump gas, race gas, or E85, the factory fuel rails become a bottleneck mainly due to the way the fuel is distributed to the rails. SPE decided to make a fuel rail kit that not only addressed the performance issues but makes them more functional and aesthetically