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Adjustable rear upper control arms improve handling, reduce wheel hop, and allow easy pinion angle tuning. Featuring greaseable bushings, CNC-cut pads, and TIG/MIG welds, they’re durable, versatile, and install in 1–2 hours with basic tools
UMI’s adjustable rear upper control arms are a reliable addition to your street car, suitable for various driving conditions. The greaseable polyurethane bushings minimize suspension deflection for improved handling, pinion angle tuning, and less wheel hop. These on car adjustable upper control arms can be easily adjusted while bolted onto the car and are suitable for multiple applications. Made with heavy duty materials, including CNC laser cut mounting pads and a mix of TIG and MIG welding, these control arms are designed for durability. They are simple to install, taking approximately 1-2 hours, and can be used on all rear end housings. Installation: The item can be installed in about 1-2 hours using basic hand tools.
UMI adjustable uppers improve handling, reduce wheel hop, and install easily.
Upper Control Arms
UMI designed 3618 to fit 1978-1996 GM B-Body vehicles.
| Part Number | 3618-B |
|---|---|
| Part Type | Suspension Control Arm |
| HS Code | 8708807000 |
| Country of Origin | US |
| Package | Qty | Weight | Dimensions | GTIN |
|---|---|---|---|---|
| Box | 1 | 9.0 lb | L 14.0 x W 6.0 x H 4.0 Inches |
| Adjustable | Yes |
|---|---|
| Bushing Color | Black |
| Bushing Material | Polyurethane |
| Bushings Included | Yes |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Color | Black |
| Construction | Tubular |
| Finish | Black Powdercoated |
| Grade Type | Performance |
| Grease Fitting Included | Yes |
| Material | Steel |
| Mounting Hardware Included | No |
| Pre-Greased | No |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1985 | Buick | LeSabre | |
| 1991-1996 | Buick | Roadmaster | |
| 1978-1996 | Chevrolet | Caprice | |
| 1994-1996 | Chevrolet | Impala | |
| 1977-1981 | Pontiac | Bonneville | |
| 1977-1981 | Pontiac | Catalina |