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UMI Performance lowering kit for 1978–1988 GM G-Body cars is a bolt-in spring and shock package engineered for drag racing setups that need improved weight transfer and front-end lift. The hybrid front coil-over system allows a 0–3" adjustable drop while rear springs offer a 1" lowering option to tune stance. Viking double-adjustable shocks pair with 250 lb, 11-inch front springs intended for serious drag applications; shocks provide 19 compression and 19 rebound settings, and optional spanner wrench and thrust bearing kits simplify height adjustments.
UMI Performance 78-88 GM G-Body Spring/Shock Lowering Kit 1in Rear 250lb
