74 Dart Sport

is this the same one you got? and is it adjustable?
http://cgi.ebay.com/ebaymotors/70s-Go-Wing-Spoiler-Duster-Demon-Dart-RR-GTX-MOPAR_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a1Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem4a9765fa24QQitemZ320367622692QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories#ht_610wt_953