Here is the gauge I made and it is very close to the position of the BP one or the copy of that one posted above. The position is very close so no need to put them both on one bracket.
Mine replaces the wire retainer on the earlier bikes, bolting to the front 2 bolts of the sprocket cover where the one here is on the 2 bolts on the upper rear corner of the timing cover but it gives you the idea.
