I bought just how they are. I bought them just for the tires that were on them. So thats why I am unsure about the bolt heads.
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2006 cummins 6 inch superlift, 37's with 22's, 62/71/13 over S480, ppe dual fuelers, cfm, smarty tnt, mp-8, flux 3.4's, studs, springs, air dog, 5 inch exhaust, Isspro's, Full Billet tranny. Special thanks to Siskiyou Muffler and Diesel Performance. 868 hp. 11.72 @ 120 mph.