Actualy i run The tracks co. 3" spacers and i drive my ranger like i stole it proper bearing lubercation and maint will insure a long healthy bearing life.before i got the new ones from tracks i had 2" carbon fiber spacers my ranger has 322hrs on it has been rolled three times and yet my spindles are all there still.Note it has never rolled with the 3" spacers it turns like a rocket on rails.