TheTeraFlex JK Prerunner component kit will give you all of the additional components needed to take your basic lifted Jeep and prep it for prerunning conditions. This kit includes front and rear coil spring retainers, Control Arm cam bolt washers, front SpeedBump jounce tube braces, front and rear suspension limit straps. Note: The limit straps are designed to be used with the 3in TeraFlex tuned Fox or Elka shock absorbers. Using a different shock and/or length is not advised.