UMI Performance

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

SKU 6400

MPN umi6400

$638.99 · Available to order

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

Stage 2 kit features 4.5″/6″ drop for an awesome stance. UMI springs combined with drop spindles yield 4.5″ front lowering. The UMI flip kit, shock relocation bracket and factory leafs team up for a 6″ rear drop. The heavy duty tubular front sway bar and three way adjustable rear sway bar provides excellent sway control and handling balance. UMI monotube shocks are valved specifically for the squarebody and are great for daily driving, hauling or corner carving.

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