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UMI’s front lowering spring for 1970–1981 GM F‑Body applications uses 5160 CrSi premium wire and a linear 600 lb/in front rate to lower ride height and reduce body roll. Stiffer than stock for improved handling, the springs suit Auto‑x, Pro‑Tour, and daily cruising, and they have a durable black powder coat. Targeted for about a 1" drop with standard small block engines; lightened cars may require trimming for final height.
UMI Performance 70-81 GM F-Body Lowering Spring Front 2in Lowering
