A couple weeks ago I put the finishing touches on a newly revised and improved product.
It uses our adjustable strut mounts that fit the FWD/AWD cars, like the 850 all the way through the s60 and has spring seat to be able to use the stock geometry springs. So if you have KW coilovers that use factory upper strut mounts, these would be compatible. Or if you have some sport springs and konis these would also be compatible.
These parts have 2 replaceable bearings, one for the strut and one for the spring. The strut bearing is an aurora bearing brand high quality spherical bearing with stainless steel construction and the spring bearing is a sealed SKF roller bearing that has a factory Volvo part number as it came stock on the 740, 940, and 960 chassis. By using two separate bearings the load is distributed equally to the both of them and further extends the service life of both components and if they do ever need replacing are available at a very reasonable price.
We sent the first unit of to a customer on the west coast for evaluation and testing and this was his write up on the parts and installation process.
https://docs.google.com/document/d/180FPSROOshJQeGWKjHrXqWDauml50fCOAvmEyjnrtFI
We have them listed on our website here, http://www.kaplhenke.com/collections/850-s70-v70-c70-s60-s80/products/fwd-awd-adjustable-strut-mount