Modular 4.6/ 5.4L Engine Parts (click
on images to view more info)
Reichard Racing Blower Spacer.
2003-2004 Cobra Air Filter Adapter $29.95
This spacer raises the blower .3125" to allow more air flow to cylinder heads. It also has dropped air temps as much as 20 degrees which allows more timing. With this spacer and 1 degree of timing we have seen gains over 20 HP.