1.8T Secondary air injection block of plate / delete kit. For Volkswagen and For Audi vehiclesThis kit allows blocking of the secondary air valve port in the cylinder head so the system can be removed from the car.(This is some times incorrectly referred to as the EGR valve)Description:Condition: 100% Brand NewColor:Black/RedMaterial:CNC AluminumPackage Included:1X block of plate1X Sealing O ring2X Stainless steel mounting hardwareFitment:Will fit For any 1.8t or Audi with a combi valve manufactured from 1998-2006Note:The plate bolts directly to the cylinder head.The plate will NOT attach to the combi valve perch.If you attempt to install and find that the plate will not fit you are bolting it to the perch and not the cylinder head!!