Idle Air Control Valve - IAC The Speedmaster LowRise Manifolds are

The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles

These combinations start with a reliable Speedmaster 9

Don't spend hours figuring out which pieces and parts you need to get what you want from your engine

Providing performance and style with its polarized lens reducing glare reflections from mirrors

Idle Air Control Valve - IAC The Speedmaster LowRise Manifolds areThe 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