Fuel efficiency depends on engine idle, which you can regulate and control with the help of a top-notch MSD TBI Idle Air Control Valve. Irrespective of changes in engine load, this replacement component allows your ECU to maintain minimum RPM, and is fitted so that it either bypasses the throttle or operates the throttle butterfly valve directly. Gasket O-ring included. Limited warranty.
Designed for LS throttle bodies, MSD LS Throttle Body TPS/IAC Kit assemblies bolt to most factory and aftermarket intakes. These cable-driven cast throttle body units ensure reliable performance for many a mile, boasting durable construction and the latest technology. Limited warranty.