The Mustang Forum for Track & Racing Enthusiasts

Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.

  • Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!

S550 Hub centric rings

Exp. Type
Exp. Level
Under 3 Years
I just purchased a set of wheels with a 72.5 bore. If a 2019 GT has a 70.5 hub bore, do I need rings?

TMO Supporting Vendors

Latest posts

Buy TMO Apparel

Buy TMO Apparel