UMI Performance · New
UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocks
MPN 6400-1 · Store SKU umi6400-1
Supplier stock checked 11/8/2026, 6:01:40 AM UTC. Adding a part does not reserve it.
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Product details
UMI’s 6400-1 lowering kit drops your squarebody an eye catching 4.5″/6″ and throws in some great handling to finish it off. This kit includes satin black powder coated 2.5″ drop spindles, UMI 2″ lowering springs, Bilstein shocks and a UMI rear flip kit. 6400-1 - 1973-1987 GM C10 Lowering Kit (4.5″/6″), Bilstein shocks Power Tour, daily driver and corner carver proven Add UMI sway bars for even better performance Minor drilling required for installation 4.5″ total drop front No notch required Bilstein shocks 6″ drop rear Made In USA
Manufacturer fitment & guides
Check 6400-1 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
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