I replaced the upper and lower control arms on my 1996 E300D. I did not observe and way to adjust either of these front end values with what appeared to be a fixed upper control arm ball joint and the lower had a 90 degree dual ball joint device that did not appear to be adjustable.

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1996 E300D
1996 E320 Wagon 4MATIC
2003 Jetta TDI- GLS, 5-spd
1997 Passat TDI
2002 F350 Crew cab 4x4 Powerstroke
Jacobsen HR 15' cut ZTR w/ 80 HP Perkins diesel
Hustler 6' front deck with 28HP Kubota diesel

With offset bolt kits for the lower A frame bolts.