The idle control valve, is part of the throttle assembly. Another problem is the needle seat not having a chamfer, which will cause the viton point to catch instead of centering in the aperture. As I saw one in the garage, I thought I would take a photo of an idle speed control valve, although its off a 1. My stab in the dark would be this one:- That is because it is about the right thickness, and it has a metal hose clip to stop it popping off. Reliability will depend on driving style. We have seen both. You can consent to the use of this technology or manage your settings to fully control the data collected and processed. For race cars, we recommend the Clubsport mounts which can be stiffened by modification.