I think thats what that part is called the part that goes between back window and trunk lid
went to amd site and see the part i need (199.95) but just says 71-74 b body are they all the same? there closed now so cant find out if this part is now in stock
id think if was there would be atleast one on ebay or some where

1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi