Note: Requires slight modification to factory spindle. Installation requires a hub. Hub can be a GM G-Body rotor turned down or Wilwood P/N 270-12304. All other items needed to complete the installation are GM P/N's. Instructions include detailed P/N list.
Uses turned down GM G-Body hub/rotor or Wilwood 270-12304. Wilwood hubs available from UMI Performance.
The UMI P/N 3046 brake conversion bracket is designed to mount 1997-2013 C5 or C6 front calipers and rotors to the 1978-1988 GM G-Body factory spindle. Conversion brackets are CNC laser cut from 3/8 thick mild steel and feature a heavy duty black powder coat finish. Each kit includes Grade 10.9 mounting hardware and complete detailed installation instructions. Supplied installation instructions included detailed list of GM part numbers needed to complete the brake grade upgrade. 17 wheels needed for C5 brakes and 18 wheels for C6. As with all UMI Performance products, these brackets are 100% manufactured, tested and raced out of Philipsburg, PA USA.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1978-1987 Buick Regal |
Regal | 1978-1987 |
|
1987-1994 Chevrolet Blazer |
Blazer | 1987-1994 |
|
1978-1987 Chevrolet El Camino |
El Camino | 1978-1987 |
|
1983-1986 Chevrolet K5 Blazer |
K5 Blazer | 1983-1986 |
|
1978-1983 Chevrolet Malibu |
Malibu | 1978-1983 |
|
1978-1988 Chevrolet Monte Carlo |
Monte Carlo | 1978-1988 |
|
1982-2003 Chevrolet S10 |
S10 | 1982-2003 |
|
1991-2003 GMC Sonoma |
Sonoma | 1991-2003 |

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.