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UMI 2" lowering spring set for 1978–1988 GM G‑Body cars lowers the chassis 2" and adds modern handling. Front springs use 5160 CrSi at 600 lb/in and rear springs 9254 CrSi at 130 lb/in, giving linear rates that reduce body roll and the typical floating feel. Made in the USA with a black powder coat finish, these springs suit Pro‑Tour and Auto‑x use; certain lighter vehicles such as V6 Turbo Grand Nationals may require spring trimming for proper ride height.
UMI Performance 78-88 G-Body Lowering Spring Kit 2in Lowering
