http://cgi.ebay.com/ebaymotors/66-67-Buick-Skylark-GS-400-rear-bumper_W0QQitemZ310006519338QQihZ021QQcategoryZ140700QQssPageNameZWDVWQQrdZ1QQcmdZViewItem This is listed as a 66-67 bumper, but I'm not familiar with those rectangular holes ... homeade N25, or something I'm missing? o No: ~Mike '66 Skylark 340-4
It is a 67 bumper with the back up lights missing, that is what the holes are for. 66 bumpers are different, the back up lights are by the license plate in 66.