Hope this helps: Here is a thread with some pics: http://www.v8buick.com/index.php?threads/gsx-front-spoiler.272720/page-2
EBay, Parts Place..... https://www.ebay.com/itm/1970-72-Sk...e=STRK:MEBIDX:IT&_trksid=p2055119.m1438.l2649
just finished install spoiler home made baffle no install brace. baffle from eighth in aluminum. have instruction sheet if you need one.kenny462