I've always run full 90-93 teg axles and never have had a problem. You do however need to match axles to the intermediate shaft you are running.
S1,J1,YS1 you use 90-93 teg axles
Y1 you need to make a hybrid set of axles mentioned above.
The raxle axles would be good if you got the cash.
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Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.