Idle Air Control Valve - IAC allowing it to run cooler

allowing it to run cooler and quieter than external units

These Speedmaster supercharger manifolds are aluminum constructed and suitable for competition or street use

That latter characteristic translates into increased ground

Note: The 52000/52001 manifold is a stock replacement/street legal part for 302

and most include bolt-in baffles that can be replaced

Idle Air Control Valve - IAC allowing it to run coolerThe automobile engine is a perfect balance of science and mechanical engineering. Each part is designed to interact with the other in perfect harmony to produce a means of transportation. One very small, but very vital component found in this mass orchestra of mechanics is the idle air control valve, or better known to mechanics as the IAC. Speedmaster offers their version, the IAC valves adjust the airflow to improve motor idling