Hello,
I “tuned” the Cougar with the parts form rel4y (link: https://forums.eagle.ru/showpost.php?p=3635383&postcount=1).
I bought the
They are all working very well, that is for sure.
Maybe this is an option for you to upgrade the electrical parts of your cougar.
For mechanical parts look here: https://www.shapeways.com/shops/debolestis?section=TM+Cougar&s=0
Maybe there you can find what you need.
Regards Anvil