Complete Idle Control Kit (VN 5.0L Stepper Motor) https://www.efihardware.com/products/2700/Complete-Idle-Control-Kit-VN-5.0L-Stepper-Motor
Use this for engines up to 5.0L or 3.5L with a large cam(s).
NOTE: This is a 4 Wire Stepper Motor. Please ensure your engine management system can control a 4 Wire Stepper Motor for engine idle speed control.