tony I just looked at fastenal they have a 5/8 core drill for reaming holes and its about 70.00 what sucks is I have one of these brand new but its a 15/16

70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4