I have a set of adjustable coilover but there is 2 type of spring (on then top end is flast and the others is not) And 2 set of bolt (longer-shorter)
Wich Spring Goes with Wich Bolt? and Wich one goes in the front and in the back!??
Thanks!
(Ground Control Coilover)

Don't you have the box they came in? It should tell you spring numbers for front and rear.

And IIRC, the threaded sleeves are all the same length. Is that what you mean by bolt?