CST Performance coilovers

[Canadian Blitzen]

Does anyone have experience with CST Performance coilovers? A guy has a set for sale fairly local to me, but I can't seem to find any reviews on them

[Go Mifune]

The only thing I could find online was CST coilovers for trucks. Even a place that rebuilds coilovers doesn't list them.

[Canadian Blitzen]

That's an american manufacture for trucks, these are made in Japan by Circuit Spec Tune