Raceworks Remote Idle Speed Control KitRaceworks Remote Idle Speed Control Kit. Ideal for situations where a standard idle control valve wont fit, such as ITBs, or where it needs to be hidden. This idle speed controller is ECU controlled and operates the stepper motor in small steps starting from zero (0) where the pintle has extended and completely closed the air bypass. The ECU will then operate the stepper motor up to 255 steps fully retracting the pintle. All Raceworks products come