I need either a pair or just the one rocker molding bracket. This is the one I have: I am pretty sure (based on rust stains) this is the passenger side???
I do stock those also if Fred can't help you . . . . https://www.stage1restoration.com/product/rocker-chrome-molding-straps/
Jason has some extra ones he found in the trunk of the GSX. Post 157, https://www.v8buick.com/index.php?threads/upgrades-and-repairs-to-gsx-508.372002/page-8