How To Determine Bolt Pattern

Match wheels to hubs by the number of bolts and bolt circle.

To determine the bolt circle on wheels with an even number of bolt holes, measure center-to-center on bolt holes directly across from each other on the diameter.

(Example: 8 on 6 1/2 would mean 8 bolt holes with 6 1/2" center-to-center diameter)

On odd-number bolt wheels, measure any bolt hole center to the point halfway between bolt holes on the diameter.

(Example: 5 on 4 1/2 would mean 5 bolt holes with 4 1/2" measure to a point halfway between the opposite bolts)

Another way to measure the odd-number bolt pattern is by measuring the center of a stud to the center of the next. The measurements for the 5-hole patterns are:

BOLT PATTERN

STUD DISTANCE

5 ON 4 1/2"

2 5/8"

5 ON 5"

2 7/8"