anybody know for sure which Febi Bilstein part# to use for a later 94-97 SADS? The only thing I'm sure of is that it matters...the bolt holes are larger on the later ones

I'm not really sure of the significance of the different contact area shown in this diagram...what should I be gleaning from it?

https://www.toyotavantech.com/forum/...3&d=1486349040