Front US model 201 anti roll bars:

201 323 52 65 All 190E 2.3 and 190D 2.2
201 323 71 65 All 190E 2.6 (measured 25 mm)
124 323 19 85 All 190E 2.3-16 (measured 23.5mm)
201 323 79 65 All 190E 2.5, turbo & NA


Rear US model 201 anti-roll bars:


201 326 36 65 All 190E 2.3, 190D 2.2, 190D 2.5
201 326 38 65 All 190E 2.6, 190D 2.5 turbo (measued 14.2 mm)
201 326 33 65 All 190E 2.3-16

If anyone can fill in the rest of the thickness dimensions I'd appreciate it.

Duke