Here's pic's of how it sits. It is 1 3/4" high in the center and 2 3/4" at the top of the threads without the cap. I would think the cap would add another inch. It looks to be too high. Also is your cap in the same location as this on or is it extended inward?
![Image](http://i253.photobucket.com/albums/hh60/jonesbr_photos/pic132-1.jpg)
![Image](http://i253.photobucket.com/albums/hh60/jonesbr_photos/pic141-1.jpg)