Cosworth idle speed control valve raises the engine speed when the engine is cold and when a load is applied.
We have these in stock, exactly the same as the ford ones as we have a company who makes them for us. but No longer available from Ford.
For Sierra Cosworth YB red and green top engines, Escort Cosworth YBT T35 big turbo blue top engine
NOT for Escort Cosworth YBP T25 small turbo silver top engine.
Fits Sierra RS Cosworth 3 door, Sierra RS500 Cosworth, Sapphire RS Cosworth 2WD 4 door, Sapphire RS Cosworth 4WD, Escort RS Cosworth
(Please note - once installed the valve needs to have the static idle and the Co2 adjusted) this is the same on any valve genuine or not.