Duramax DSP5/SOTF Switch requires-mpvi and down to the angle

and down to the angle of the ported shroud interface had to be dialed into exact tolerances

Inner and Outer TIG welded Steel Flanges (Not cast like competitor)

The Last Diesel Radiator You’ll Ever Need

DP Customs SoCal Diesel Waterpump Bypass Bracket — This bracket provides a much needed solution for those looking to mount a SoCal Water Pump Bypass on their truck

Duramax DSP5/SOTF Switch requires-mpvi and down to the angleUnlock the full potential of your ECMs tuning capabilities with the DSP5 SOTF switch! These switches are designed to work in conjunction with EFI Lives's DSP5 SOTF OS and will give you 5 different positions of tuning adjustment! The switch alone does not tune, program, or adjust parameters and will not effect a factory programmed vehicle if installed.