general purpose tire size chart for 2wd 95-01:
2" tt and shackles- 31/10.50/15
3" body lift (only)- 32/11.50/15
2" tt and shackle + BL 33/12.50/15
3" spindles, aal, shackles 32/11.50/15
3" spindles, aal, shackles, BL 33/12.50/15 to 35/12.50/15
3" spindles, 3" keys, soa, shackles, BL...