Comp Cams 973-1 Spring Upgrade & DCEC Cummins 30mm Lift Pump & 2 Gaskets. 550 HP.
Why spend 500 plus on FASS or air dog, make your own 550hp capable lift pump with this kit.
Simlilar to the Power driven diesel performance pump but way cheaper.
Genuine dcec Cummins 30mm large bore pump