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    Adapter Harness FAST to Holley - IAC Early GMC

    Thumbnail Filmstrip of Adapter Harness FAST to Holley - IAC Early GMC Images

      Purchase Adapter Harness FAST to Holley - IAC Early GMC

      SKU: FST-308023
      Adapter Harness FAST to Holley - IAC Early GMC to Late GMC

      $20.00

       


      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.

      Part Number 308023:

      • Wiring Pigtail allows use of Early GM TPI Style IAC in vehicle that has a wiring harness for Late GM IAC style connectors