The zzp ones were 82lb. Dbilas says 86kp, not sure if that is same units but in german??
http://shop.zzperfor...ve-Springs.aspx
http://www.dbilas-sh...l-GT::7189.html
They were discussed here:
http://www.vx220.org...-7#entry1632324
dbilas is 76lb
just wondering how much better these were than the standard springs on the z22se and b207