UMI Performance 82-92 GM F-Body Tubular K-member Coil SpringsWe all know weight equals horsepower. UMIs direct bolt in replacement K member instantly removes 20 lbs of front end weight from your ride and helps your existing horsepower work for you. Strong dual tube construction and a host of high strength features ensure the P N 2401 will survive street use, drag strip blasts and autocross action. The K member is fabricated from CNC machined 3 16 thick mild steel held together by a strong dual tube lower