Short answer. If you don't know and don't trust anybody else. Pull the axle and count the splines...
bandit992 · Premium Member 2012 Challenger R/T Classic 5.7L,Kook LT,Borla ATAK,Comp 270 cam,Hellcat valve train,AiraidCAI Joined Dec 7, 2020 · 1,020 Posts #27 · 2 mo ago View full thread Short answer. If you don't know and don't trust anybody else. Pull the axle and count the splines...