If you a building a 5.9L beast the Mega-Rail System includes everything needed for installation of the entire fuel rail system from the larger 6.7L applications. This simple bolt on package gives the 5.9L Cummins an edge in airflow and fueling like never before. Finally you can get the most from your modified injection pump and performance injectors!
Using our Mega-Flo Intake Manifold, Air-Boss 67 plenum and factory Bosch HPCR parts we have created a package that is reliable, easy to install,and out flows any other parts combination on the market. If you're pushing the envelope on 5.9L Cummins performance the GDP Mega-Rail kit can fuel it!