Power Driven Diesel Billet Rack Plug Cummins 5.9L

This rack plug for your 94-98 Cummins 5.9L is for use in your P7100 Injection pump. This custom-manufactured rack plug allows 21mm of rack travel (internal pump element throttle movement) whereas the factory plug allows just 18mm.  Typical power gains from this modification range from 25 to 40 HP.