UMI's Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI's Roto-Joint upper control arms are suitable for street, strip or corner carving. The premium UMI built spherical joint drastically minimizes suspension deflection for a crisp handling setup, easy pinion angle tuning and less wheel hop. These on car adjustable upper control arms adjust easily while staying bolted to the car and are designed to handle virtually any application. The Roto-Joints combined with UMI's in house designed and machined CrMo adjuster equal ultimate strength and performance. These heavy duty arms feature ?? thick CNC laser cut mounting pads and a mix of TIG and MIG welding. These simple bolt in replacements install in 1-2 hours and are designed to work on all rear end housings. Launch harder and turn faster with UMI's ultimate arms!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Buick Skylark | 1968-1972 | Custom |
| Buick Skylark | 1968-1972 | Base |
| Buick Skylark | 1970, 1972 | 350 |
| Buick Special | 1964-1967 | Deluxe |
| Buick Special | 1964-1967 | Base |
| Buick Sportwagon | 1964-1967 | Base |
| Buick Sportwagon | 1966 | Custom |
| Chevrolet Chevelle | 1964-1965 | Malibu Super Sport |
| Chevrolet Chevelle | 1964-1967 | Malibu |
| Chevrolet Chevelle | 1964-1967 | 300 |
| Chevrolet Chevelle | 1964-1966 | SS |
| Chevrolet Chevelle | 1965-1967 | 300 Deluxe |
| Chevrolet Chevelle | 1966 | Super Sport 396 |
| Chevrolet Chevelle | 1967 | SS 396 |
| Chevrolet Chevelle | 1967 | Concours |
| Chevrolet El Camino | 1964-1967 | Base |
| Oldsmobile 442 | 1964-1967 | Base |
| Oldsmobile Cutlass | 1964-1967 | Base |
| Oldsmobile Cutlass | 1964-1967 | Holiday |
| Oldsmobile Cutlass | 1967 | Turnpike Cruiser |
| Oldsmobile Vista Cruiser | 1964-1967 | Custom |
| Oldsmobile Vista Cruiser | 1964-1967 | Base |
| Pontiac GTO | 1964-1967 | Base |
| Pontiac Grand Prix | 1964-1967 | Base |
| Pontiac LeMans | 1964-1967 | Base |
| Pontiac Tempest | 1964-1967 | Safari |
| Pontiac Tempest | 1964-1967 | Base |
| Pontiac Tempest | 1964-1967 | Custom |

UMI Performance is an aftermarket company that specializes in building high-quality suspension parts. But before they were known as a suspension manufacturer, they manufactured precision parts for major brands such as Corning Asahi, Sony, and Bell+Howell. They may have shifted industries, but their dedication to creating quality products has remained the same.
Quality Products Made In The USAAll of their products are made in-house, which allows them to control every aspect of their products. 100% made in the USA, they can maintain their high standards and create suspension parts that can tackle any street, whether it be the fast corners of a race track or the bumpy road to your grocery store.
Parts Bred From The RacetrackUMI Performance actively participates in various racing disciplines since most of their product engineers and sales team are racers. Because of this, they can test their products through real-life racing scenarios, which helps them gather data that can help improve their products.
Easy To Install PartsEach product is designed to replace factory-installed parts without any significant modification. It is carefully measured to ensure that it would fit perfectly into the vehicle and comes with a step-by-step instructional manual, giving their customers a hassle-free installation experience.
Purchase UMI Performance At Vivid RacingIf you are in the market for high-quality suspension parts for your vehicle, then look no further, as UMI is the brand for you. To know more about UMI, visit Vivid Racing and check out their list of products that fit your specific need.