They weren't ever made for the Widemaxx. Sadly
The same could be achieved with these Gmaxx arms but it would cost a pretty penny and would be a shame to chop them up.
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Im sure you could scratch the name off of these And cut them down to size.
Same with these
FLM ARMS The best that are easily available as you know might work well if cut down leaving the center. and check it out you get all four sure to be 6061 t-6 billet a-arms for $28.50 and you get to spend the money with Mike.