Edelbrock 3855 - Idle Air Control Motor Adapter #3855 GM Stepper, Upgrade For ProFlo3 To ProFlo4
Edelbrock part #3855 is a GM-Style Stepper IAC adapter. Edelbrock Idle Air Control Adapter Kit is required to install a GM-Style Stepper IAC Motor in place of an existing Hitachi PWM IAC. Allows for upgrade from ProFlo3 to ProFlo4.
