If you are interested in coil-overs with separately adjustable bump and rebound, there are two sets which are available below $2000 for the set. One is the Tein RS, and the other the Advance Design coil-over. I spoke to Greg at Tein USA and he said the Tein RS could be revalved/rebuilt in US for $160 ea., as long as they weren't struts as in MacPherson struts. The RS's have an external reservoir attached to the main body, with the adjustment for bump. The rebound adjuster is on the top of the main shock as it is for their models RA and RE. The external reservoir is similar to that of many more expensive dampers such as those by Moton and Leda. I also discussed with Greg the Tein N1, and found out that they were selling some for race cars, but these are about twice as stiff as the RS models. I found the Tein RS's priced at $1998 for the set at www.phase2motortrend.com.

I spoke to Jay Morris of Ground Control who builds the Advance design coil-overs. These can also be custom valved/rebuilt for only $50 ea. at their shop. They will build their threaded body coil-overs for any spring rate you want. There are two wheels at the top for bump and rebound adjustments. They supply Eibach springs at $55 ea. and also top spring mounts for $75 a pair I think. Coil-overs are $399 ea., making a complete set cost $1966, about the same as the RS's. I know of two yellow track only ITR's which are very fast at Mosport using the Tein RS, and two guys using the Advance Design models in some Toyota Supras driven on street and track, and they say they are fantastic. One of them finds that the Advance Design coil-overs make more noise than he would like, but he has decided to live with it since he likes the coil-overs so much.