SRB Motor Plate Set (set includes two 1/8" Chromoly motor plates, Aluminum support bar and hardware)
Standard Plate set, 1/2-20 threaded mount and 188mm Aluminum support bar
"HD" Motor Plate Set, 5/8-18 threaded mount and 212mm Aluminum support bar
8 or10mm motor shaft, small motor bolt pattern, belt drive ok, open gear drive ok