I've read Eibachs are 27 and 21mmJspeed said:
I've read Eibachs are 27 and 21mmJspeed said:Stock SP: 24mm/21mm
Dinan: 24mm/22mm
UUC: 25.4mm/23.8mm
BTW I believe UUC is the only one that uses chrome-moly construction which is supposed to be superior and more expensive to manufacture.