68 cuda tire size
a 255-60 will fit with 4.5" back spacing. a 275-60-15 should fit with a 4 or 4.25" back spacing or if you use the offset shackle kit they will work with a 4.5 or 4-7/8" back spacing I wouldnt go bigger then that on a 8" rim.
a 255-60 will fit with 4.5" back spacing. a 275-60-15 should fit with a 4 or 4.25" back spacing or if you use the offset shackle kit they will work with a 4.5 or 4-7/8" back spacing I wouldnt go bigger then that on a 8" rim.
