Quoted from mrbillishere:Did ya measure the 2014 Grand Cherokee?
2011 thru 2014 at least will fit a pin.
If you were to read the posts above, you will see that 1999 - 2004 (WJ) & 2011 up (WK2) will fit a pin.
2005 thru 2010 (WK) won't, by about 1/2 inch height (with head on).
Robert