UMI Performance

UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocks

SKU 6400-1

MPN umi6400-1

$1015.99 · Available to order

UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocks

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.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
1975–1978GMCC15High Sierra—
1979–1986GMCC1500Sierra Classic—
1975–1981ChevroletC10Cheyenne—
1979–1986GMCC1500High Sierra—
1979–1986GMCC1500Base—
1981ChevroletC10Deluxe—
1973–1974GMCC15/C1500 PickupBase—
1978GMCC15Street Coupe—
1987GMCR1500High Sierra—
1975–1980ChevroletC10Custom Deluxe—
1978–1980ChevroletC10Big Ten—
1977–1978GMCC15Heavy Half—
1979–1982GMCC1500Street Coupe—
1987ChevroletR10Scottsdale—
1973–1974ChevroletC10 PickupBase—
1975–1978GMCC15Base—
1975–1978GMCC15Sierra Grande—
1981–1986ChevroletC10Custom—
1975–1986ChevroletC10Silverado—
1975–1986ChevroletC10Scottsdale—
1987GMCR1500Base—
1979–1982GMCC1500Sierra Grande—
1987ChevroletR10Custom Deluxe—
1987GMCR1500Sierra Classic—
1977GMCC15Indy Hauler—
1975–1978GMCC15Sierra Classic—
1979–1980GMCC1500Heavy Half—
1987ChevroletR10Silverado—
Specifications
CategoryDrivetrain
Sub-CategorySpindles
CARB ApprovedYes
Prop 65 WarningY
Special OrderYes