Jon forwarded your request to a friend of mine who is a huge Daytona/Superbird fan here is what he sent me Here is the link to their resin.
It looks like it is the Nascar version but I think the wing and nose are the same for racing/street kit. They could call the number for SMH hobbies and I am pretty sure they can put them in touch with the caster if need be. I know they sold me parts for my MPC Plymouth Nascar kits which were parts of their 71 Ply resin body kit.
Just to clarify the MMVA is not affiliated with IPMS/Gateway, Several members belong to both clubs but each club acts indepent of each other. IPMS/Gateway is giving web space to MMVA to host their website. It is here