LSXceleration LS1 to LS3 Style Map Sensor Adapter 28-416
This adapter allows the use of an LS3 style map sensor with an LS1/LS2 style map sensor harness.
FAST GM LS1 Idle Air Control (IAC) Valve 307059 The IAC (Idle Air Control) valve uses a small electric motor to vary engine idle rpm to exactly where you set it at in your ECU parameters.