I scored a set of used aluminum slot mags from a 1960s Mustang with the six cylinder motor. The bolt pattern is the same 4 x 4.5″. Note that the Fox-body Mustangs with four bolts do NOT use this same bolt pattern, only the 1960s six cylinder cars (as well as Falcons and Comets from teh same vintage). The wheels are 14×6, with about zero offset. I’ve got 195/70-14s front and 205/70-14s rear.