245-60 is as wide as you can go as far as I know. Only offered by BFG, unless someone else has found otherwise? That's what I'm putting on the rear of my '71 Demon w/ its original sbp 14" ralleyes.
I think I'm going w/ a 215-70 up front.

235-60 is pretty common.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax