I just posted a lot of winged related sprint car items for sale on the Hoseheads Classifieds, including a couple of 87/40 Maxims for sale. Check out all of the items at the following two links:

https://www.hoseheadsclassifieds.com/search/?uk=5666
and
https://www.hoseheadsclassifieds.com/search/?uk=9640

Contact me, Jack Hodges, at (505) 292-7698 or hodgesauto24@msn.com for more info or to buy. Credit cards accepted.