Look at this on eBay:
http://pages.ebay.com/link/?nav=item.view&alt=web&id=111425855604
McGaughys chevy gmc 07-14 7" rear flip kit drop truck NNBS 34047 Silverado
http://pages.ebay.com/link/?nav=item.view&alt=web&id=111425855604
McGaughys chevy gmc 07-14 7" rear flip kit drop truck NNBS 34047 Silverado