: 1978 fast idle valve

10-04-10, 08:43 AM
please check the picture http://info.rockauto.com/getimage/getimage.php?imagekey=1190530&imageurl=http%3A//info.rockauto.com/Airtex/E438.jpg is this the one which goes on the throttle body?

or is this one? http://info.rockauto.com/getimage/getimage.php?imagekey=1981806&imageurl=http%3A//info.rockauto.com/KEM/132-113.jpg

i need to buy a fast idle valve from rockauto.com webiste but i dont know which one is the right one!

They look the same, but one is 14.99 other 51.00