Edub I have the extended studs. If you use the bolt on hub(those that use the stock studs and then have another set of studs that the lugs go on) you need an area for the stock studs to extend into. If you look at the back of your rims at the hub area you may see void areas. Those are needed with the "bolt on" spacers. Most rims have void areas in the hub.
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2012 Chevy Camaro ZL1 6MT coupe Back N' Black. 680hp
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