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Upgrade your classic truck’s suspension and handling with the UMI C10 4-Link Suspension Kit— the premier solution for 1973-1987 Chevy and GMC squarebody owners looking to unleash the full potential of their ride
The UMI 6425 kit replaces the outdated leaf spring setup on your C10 with a race-inspired 4-link rear suspension system featuring unequal length trailing arms, an adjustable panhard bar, and high-performance Viking coilovers (add-on). Engineered for serious street and pro-touring enthusiasts, this suspension kit is tuned for maximum traction, precision alignment, and stellar ride comfort. Whether it’s weekend cruising, autocross, or high-power builds, the UMI 4-link delivers proven results.
UMI 6425 4-link kit transforms C10 handling, comfort & traction
4-Link Kit
Umi Designed this kit to fit 1974-1987 GM C10/C15 trucks
| Part Number | 6425-1-B |
|---|---|
| Part Type | Suspension Kit |
| Warranty Time | 2 |
| Warranty UOM | YR |
| Condition | NEW |
| Lifecycle Status | Available to Order |
| Country of Origin | US |
| Package | Qty | Weight | Dimensions | GTIN |
|---|---|---|---|---|
| Each | 1 | 38.0 lb | L 8.0 x W 8.0 x H 32.0 Inches |
| Adjustable | Yes |
|---|---|
| Bushing Color | Black |
| Bushings Included | Yes |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Color | Black |
| Finish | Black Powdercoated |
| Grade Type | Improved Design, Performance, Premium |
| Material | Steel |
| Mounting Hardware Included | Yes |
| Mounting Method | Bolt On |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1974 | Chevrolet | C10 Pickup | |
| 1975-1986 | Chevrolet | C10 | |
| 1987 | Chevrolet | R10 | |
| 1973-1974 | GMC | C15/C1500 Pickup | |
| 1979-1986 | GMC | C1500 | |
| 1975-1978 | GMC | C15 | |
| 1987 | GMC | R1500 |