Yokomo springs?

[KennyClark]

Just found some new Yokomo springs in a box I had lying about and wondered if anyone has any info on them.

I have a rough idea but not sure.

Yokomo copper - Similar to Associated green?
Yokomo silver - Similar to Associated silver?

MX4 kit springs front and rear ??
MX4 med springs front and rear ??

Hope someone can help.