I have it. Like Smitty1970 says, the left rear will make you put the kids to bed early.
I ground down the tops of the strut studs(2mm) due to the fact of them being too long. they were not seating properly once tightened.
Took my XK down to OBX last w/e and was hitting 25-30 through the sand, bottomming out the suspension, no complaints.
Mine was missing a few mounting nuts, they quickly shipped them out.
not the best quality control, but they the kit works well, better quality would not improve the kit any.
Recommended. Rides stock