Power Driven Diesel offers two AFC Live kits. Both kits come with the control box with two knobs; one knob is for the smoke control, the other is for EGT and max fuel control. The stage 2 kit also features a gauge on the top of the unit to monitor how much pressure you're allowing through the system, as a well as a switch on the side that instantly delivers maximum fueling. You know, for when you really need to get moving.