Merchant Automotive DSP5 Switch, Lockable, Duramax | 2001 - 2004

***Discontinued when stock is depleted***  The DSP5 keylock switch by Fish Tuning is a 5 position switch designed for LB7 vehicles. The DSP5 is a five-position switch that includes two keys, which can be removed in positions 1, 3, and 5. For use with EFI Live DSP5 tunes.