You would need a FSM (Factory service manual) for a 03+ 4Runner. Closest I could find was a Tacoma manual for the same year. It says 28mm standard thickness, 26mm minimum.

Dont have them turned more than once. And if you get vibration during braking, they are warped, replace them.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride