Originally Posted by RS/SS 4.8

Oh ok i thought they were different. 31.5 would be a direct fit for my current tire size.

Originally Posted by DrX

I have these on some custom made steel wheels(all that was available at the time). These 16" wheels just clear my brakes by a hair. Offset may be different for my Avalanche due to the outboard shocks. Unfortunately they haven't made it to the track yet due to all the trans issues I've had. Stay tuned...just getting the roll bar done.

They are a tall tire, but look tiny in this pic before I dropped the rear of the Av.