Eibach PRO-KIT Set of 4 Springs Fits SUBARU WRX STI 2015 to 2021

Designed and tested by Eibach's suspension engineers and performance driving professionals to deliver aggressive good looks and high performance handling, without ever compromising safety or ride quality. The Eibach Pro-Kit is a perfect solution to take your street car to the next level. Featuring Eibach's legendary progressive rate spring technology, these springs are a tried and true upgrade and the perfect pairing for Eibach Pro-Dampers and Anti-Roll-Kits. Eibach uses the same technology in their street springs as they do in their legendary race springs, using the world's finest Hi-Ten spring steel, produced to exceedingly precise tolerances with world-renowned German CNC coilers. Performance proven on the track, perfected for the street. Provides high performance handling and aggressive good looks, lowers center of gravity, stops quicker, corners faster and gets better MPG!