For adjusting camber & lower control arm length. 10mm provides about 1 degree of additional negative camber.
Now available and reasonably priced in the following sizes:
Note: Shims are sold individually, but usually used in pairs. If you need a pair of any particular size, be sure to change the quantity to two. These applications will work on FRONT or REAR of all 996/997 and ONLY FRONT of 991's with 2 piece arms.