SoCal Diesel - 2.8L Duramax Switch - DSP4

The 4 Position LWN Duramax Switch is designed for seamless integration, plugging directly into the OBD-II port of your 2.8L Duramax diesel truck. This DSP4 tuning switch allows you to switch between custom tunes on the fly, giving you instant control over your truck’s performance.

Includes:

• Rotary SOTF Tune Selection Switch with knob
• Switch position label / face plate