51078 -Performance Module for 2003–2007 LG4 7.8L Duramax & 2008-2009 LF8 Isuzu 6HK1 Engines

The 51078 Truck Edition Performance Module fits LG4 7.8L Duramax from 2003 thru 2007 and LF8 Isuzu 6HK1 from 2008 to 2009. This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Adjustable with a four position switch you can adjust the power on the fly, Stock, +10%, +20%, & +30% hp. The module doesn’t flash the ECM, instead it receives the data from the ECM, optimizes the signal to the engine improving the fuel efficiency and power. These savings ensure a quick return on investment so you can enjoy greater efficiency and less cost. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring. All PSI Power Modules are Made in the U.S.A.

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