Originally Posted by hurtinfocus
the way the rear suspension is designed the only way to adjust it is to get eccentric bolts installed or spend big money on aftermarket adjustable camber and toe arms. eccentric or "camber bolts" are about $25, full camber-adjustable arms are about $100, and toe arms I think are available from Massive Speed Systems, but I don't know price off-hand on those.
Here are the options for rear camber arms(with links:)
Massive's have the most most range and can be adjusted while still on the car, also the most expensive. The other choices all seem pretty similar in form and function. Although, the camber bolts should be enough to adjust the rear at stock height (they are at least cheap enough to try first.) Here a couple how-to's: bolts only
and bolts and arm install
Massive toe arms are $160
, there are also generic ones on ebay that look similiar in design, cost less if you dont mind the risks of buying on ebay parts