I suggest you contact our distributor in the UK and order an anodizing kit and some dyes and give the process a try. What you're trying to do sounds possible.
Speed Demon Motorcycles
5 Overdale Walk
Whitehill, Hampshire GU35 9DR
UK
Phone: +44 (0) 1420 476145
Fax: +44 (0) 870 136 5288
caswell-europe@caswellplating.com