Five position switch that when used in conjunction with our LLY, LBZ, & LMM Duramax custom performance tuning is used to change tunes on the fly. Specific to 2004.5-2010 trucks. The Keylock DSP5 Switch locks the tune in one position.

Tunes may be changed on the fly, but if you need to prevent someone else from switching to another tune, you can lock it into a desired position.

Features and Benefits:

• Rotary SOTF Tune Selection Switch with Knob
• Switch Position Label / Face Plate
• Wire Conduit

Details:

• Color: Black / Purple
• Switch Positions: 5
• Switch Type: Rotary, Keylock
• Includes: Knob, Switch Position Label / Face Plate, Wire Conduit

Fitment Notes:

• Make: Chevrolet, GMC
• Model Year: 2004.5-2010
• Engine Code: LLY, LBZ, LMM
• Engine Size: 6.6 Liter
• Engine Family: Duramax