I am looking in foros + info about the Himoto upgrades cause I'm thinking about buying the Himoto Nascada 1/10, and just found this old conversation... if you need Himoto spare parts, a quite big online store for spareparts is Factorhobby, well organized and big stock of
Himoto options 1/18 to 1/8:
https://www.factorhobby.com/en/rc-car-spareparts.html They sell worldwide... at least in all europe and america.