UMI Performance Shock/Spring Lowering Kit, Double Adj. Shocks-450 front spring rate 1” rear drop for 78-88 GM G-Body, Part #GBF450-1. Tick Performance is proud to be a warehouse distributor for the entire UMI Performance line. If you don't see what you're looking for here, please contact our friendly sales staff either by phone or email for assistance!
All warranty questions, claims or otherwise should be directed toward the manufacturer, UMI Performance.
