195 the narrowest, 225 the widest 70 the lowest, 75 the tallest some on gm/Chevy/Cutlass rims some on 15" rims My favorite? Shane's E78 - 14 GULF brand tires! What am I gonna put on my Greenbrier? 195/75 - 14 Goodyear Wrangler HT light truck tires! (probably!) Merv Krull Salmon Arm