Don,
if your putting on the 70 style you will need to change the bar and brackets, and will need the guards as well as the plastic fillers, these will close up the gaps in the valance aroung the guards. bolt spacing is different on 73
Hey, going to Dega in april, are you going to be at ft campbell at the end of april. I have to pick up a travel trailer on post to take down to dega.