yah, there is a huge swifts springs thread in the suspensions section. check it out.
i run swifts on my dd and it is by far the BEST matching lowering springs to stock damper setup ive tried through decades of modding cars. usually i buy dampers with lowerings springs (like my G is currently running prokits + tokico d-specs which are adjustable dampers) but the swifts can be had with just the stock dampers.
and they wear very well through the season. no sign of rust through 3 years of road salt.
can't say dat with tein or them junk tanabe springs.
prokits handle weather well too btw...but u will want dampers to go with them.