The Aeroflow SR20 VCT and IACV block-off plates are designed to delete the vehicle’s Idle air control valve and the underside waterpipe. This is great for those doing an aftermarket drive-by-wire throttle body conversion or remote-mounted Idle air control valve units. Made from billet 6061 aluminium and anodized black. New M6 button head bolts and M6 spring washers are included in this kit for mounting; we also recommend using three bond sealants to ensure a complete seal of the area when installing.