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Mount your SOTF rotary switch with the GDP Rotary Switch Bracket (2017-2022 Powerstroke). No drilling—uses factory OBDII screws for a clean install.
Custom fitments
Tell us about your platform, performance goals, and timeline. We’ll map the parts, confirm availability, and send back a detailed quote with next steps.
Custom fitment brief
Outline your vehicle, performance targets, and timeline. The build desk will confirm availability, pricing, and next steps in writing.
EFI Live AutoCal V3 GDP Support Package — custom tuning for Cummins 07-09 and Duramax 01-10 engines with optimized power, reliability, and control.
Motor Vehicle Engine Parts
Software