tein H tech here.
superb ride quality (less cushy than 06 oem, but very, very nice. NO microbounce felt)
heck for 350 I'LL put em on for ya!!! (lolol)
Cue Auto did a fantastic install on mine, and i was out the door for around 180 total. Zero compressor tools used or needed for my app.
keep in mind, there's diff rates (for diff. years) of the same spring abound....
ese