The best replacement for pro kit is sportline.

The best alternatives to pro kit are rated as following:
★★★★★  sportline
★★★  sportline springs
★★★  tein s tech
★★  h&r sport springs
★★  h&r sport
★  tein h tech
★  sportsline
★  tanabe nf210
★  h tech
★  force kit
  eibach sportline
  sport line
  trx force kit
  sportline cobalt
  tein h-tech
  h&r springs

Your alternative for pro kit is not listed? Suggest!
Speaking about pro kit, one probably shouldn't forget about koni fsd.

Other search terms related to pro kit and their ratings are:
★★★★★ koni fsd
★★★ stock struts
You have in mind a companion for pro kit and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pro kit in all years. Click on graph for more.
pro kit
sportline
sportline springs