Drill Guide 5 on 5.5” to 8 on 170mm

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This handy drilling guide is used to mark the hole centers when converting the wheel stud bolt pattern on Classic Bronco spare tire carriers measuring 5 on 5.50” bolt circle diameter (B.C.D.) to convert to 8 bolt on 170mm bolt circle diameter.

Simply place the drilling guide over the stock ½” diameter wheel studs, then use the small holes & a punch to mark the exact centers of the new 8 bolt on 170mm B.C.D. Drill your spare tire carrier to your new desired wheel stud size.

No guessing! Ensure your new wheel stud pattern is concentric to the wheel hub.

Constructed from 1/8” Steel & precision laser cut. Weight = 0.5 lbs