AC Stag = Programming Interface Kit
Programming, Tuning, Diagnostic, Monitoring, Checking, etc etc.
this item is what the installers use!

Lambda Software
Stag 50, 100, 150, L, XL, Plus

Injection Software
Stag 200, 300 & Plus
Stag 400 DPI
Stag 4
Stage 4 Plus --- v6, v7 & v9.1.0.0

Timing Advance Processor Software
Stag - Tap = Timing advance


Free Software CD with purchase
Laptop Connection = USB



Interface is for a USB Laptop Connection only