I may be wrong butCheck it here.
Comp-s similar to yours does not have lower strut length adjusters (a second set of perches below the spring preload adjustment). So, ride height and spring preload cannot be adjusted separately.
Zero 1, Zero 2 and Zero2-R have length adjusters.
I am not saying you are selling sh*t but you’re not sure which model you’re selling so I posted what I know. I have bought and used both Comp-s and Zero-2s so I do have a bit of knowledge in this area.