Originally posted by Robert
It fit without any modifications . . . If I remember correctly when I ordered it, I though there was a note at the bottom that said something like "for all 4.0L except round cone type factory air-boxes". Since mine was technically a 4.0L and I had the square box I ordered it. It fit like it was made for it so I assume that it was. Maybe K&N never tested it on later versions of the SOHC or maybe Ford changed the MAF sensor shape. . . .