From K&N's website:
This filter is designed to screw directly into threaded Ford valve covers. Filter dimensions: 3" O.D. Chrome top
1-3/4" height. Flange dimension:
1-1/4" O.D., 3/4" L
Description Part #
Ford Screw In
Breather 62-1495
Also, I couldn't find anything at autozone that would work to close the hole to the air intake and upper intake. What did you guys use?