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If you aeroepoxy the urethane piece back into place, once you bolt the engine back on the engine will reinforce it, actually recess flathead screws from the belly of the bracket, and then use elastic stop nuts on your engine bolts, that way the bolts will not back out and it will also give you a flush underside..
if you dont have aeropoxy, please call the office monday and ask for me or Dan, we'll get you fixed up..