GDP Tuning CSP5 Switch GDP610011
GDP Tuning CSP5 Switch (Used for EFI Live or MM3 SOTF Tuning) for 2007.5-2020 Dodge Cummins 6.7L is now available. GDP Tuning's CSP4/5 switch allows you to easily change your EFILive CSP4/5 tunes at the Twist of a knob.