I put a XJ in mine and it is a CCR frame. Got all the necessary brackets from CCR to convert over from a Curry Ford 9" to the XJ. I, like Lee, did not narrow the rear end. I plan on running it the way it is for a year (just got wheels back on the ground this evening) and then take everything apart and make decision about narrowing or deeper backset rims and chrome of the LCAs and halfshafts.