i'd pickup some lox for ya' but i think you are too far away.
You might check with Phantom Guitarworks. They offer Vox-style bass pickups under "Parts and Accessories". Never heard 'em, or heard anything about them, though.http://www.phantomguitars.com/
http://www.curtisnovak.com/pickups/repairs/TurboJet-Bass/black trim ring but a white pup. maybe you could make a white trim ring?