This listing is for an IAC adjustable idle spacer kit. This is a kit designed and made by Ford to make the idle adjustable on EFI engines. Can be used on multiple applications with Idle Air Control motors including 4.6, 5.0 (302), 5.4, 5.8 (351), and 7.5 engines. If a question on your application email me. If you have done any mods on your engine and having an idle problem this could be the cure. The spacer bolts between the IAC and the throttle body. This is a new complete kit with spacer,gaskets,bolts and instructions. Easy to install. Shipping options and cost are available once items are placed in the shopping cart and based your zip code. USPS Priority International is available for customers outside of the continental US.