They fit exactly as they should. And I had not problems installing them. The pic on the site is wrong as of this review. It shows blocks and U bolts. This is a shackle. One note: You do need to fold the seam on the bed floor over for them to fit and not hit that seam. Nothing to hard. A few taps with a hammer and they fit perfectly. A little paint to prevent rust and your done. Other then that they just bolt right in. Seams to ride a little better now as well.
Nice drop ok feel
Nice drop and look but terrible on bumbs and pot holes. Overall I don't think it's worth it for the long run, the ride is not what I thought it would be. I slow down for EVERY BUMB OR HOLE I SEE. Which sucks very much so for racing NOT recommended, but being parked for looks shouldn't be a problem. Very mixed feelings about this system.