307015 30182 IAC Used on the Air Only Throttle Bodies like 307603 This is an LT-1/LT-4 Design used on 93-95 Camaro Firebird Has 4 Male Metripack Terminals Connects direct to EZ 2.0 Harness w/o AdapterFuel Injection Idle Air Control ValveIAC ValveIAC Valve LT1LT1 Style Idle Air Control ValveThe idle air control allows the ECU system to control engine idle speed by controlling airflow around the throttle body blades.This IAC is an LT1 style IAC. Features 4 Male Metripack Terminals.