304647 – 1978-1988 GM G-Body C5/C6 Front Brake Conversion Hubs, Bearings, Bracket Kit
Installation Pictures
$499.99
⚠ See fitment note
PRODUCT DESCRIPTION
UMI's C5/C6 conversion kit is designed to adapt the C5/C6 abutment brackets, calipers, and rotors to G-Body spindles. The kit includes UMI conversion brackets, aluminum hubs, bearings, and seals for a straightforward installation process. The hubs feature bolt patterns of 5 x 4-1/2 and 5 x 4-3/4, allowing for the front track width to remain unaffected. The kit, part number 304647, is the preferred choice for UMI's Green Machine and has been rigorously tested for durability in road race and auto-x competitions. Manufactured in the USA, this kit is made to deliver top performance and reliability.
Fitment Note: Please note that wheel studs are not included in the kit and will need to be separately acquired for installation. Additionally, C5 brakes require a minimum 17" wheel for clearance, while C6 brakes require an 18" wheel. It is important to research wheel fitment before purchasing the kit.
Please be aware that the kit does not fit Blazer spindles.
Please be aware that the kit does not fit Blazer spindles.
PRODUCT FEATURES
- Laser cut UMI conversion brackets
- USA made aluminum hubs
- Premium bearings
- 5 x 4-1/2 and 5 x 4-3/4 bolt patterns
- Intended to mount C5/C6 brake rotor in exact factory location
- Premium bearing cups and cones
- Correct rawhide seal for performance and reliability
- Tested for road race and auto-x competition
- Manufactured, tested, and raced in USA
- Includes all necessary components for installation (excluding wheel studs)
- Requires C5 or C6 calipers, rotors, brake pads, and brake lines
- Fits Wilwood SLC56 caliper
- Minimum 17” wheel required for C5 brakes, 18” wheel required for C6 brakes
- Does not fit Blazer spindle
This Product Features
Designed & Manufactured in the USA
Durable Powder-Coat
North American Raw Materials
| Fitment | |
|---|---|
| Manufacturer | |
| Direct Bolt-On |
No |
| Modifications |
Cutting ,Drilling |
| Finish |
Anodized |
| UOM |
Kit |
Why Choose
UMI Performance
21 Years In The Industry
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North American Raw Materials
Proudly partnering with leading USA steel suppliers, we source the finest North American mined and milled steel
Precision Bent DOM Tubing
Machine-guided DOM tubing bends maintain correct geometry while maintaining material strength.
Laser Cut Plating
We take North-American sourced plating and precision-cut each component with the latest laser-cutting technology.
Durable Powder Coating
Each finished part is properly prepped and coated with high quality Tiger Dry Lac powder coat, providing a tough long-lasting finish.
Consistent Welds
Our highly-skilled welders and robotic-welders provide consistent welds and ultimate part penetration.
100% USA Made
We take pride in providing 100% USA-Manufactured suspension components.
Shipping Guidelines
Flat Rate Shipping ($12.95) is only offered on Retail orders over $149 shipped via Ground in the Continental United States.
All International customers are responsible for any applicable duties and/or taxes incurred on your shipment upon delivery.
Return Information
All returns are subject to the authorization of UMI Performance, Inc. Please email [email protected] for a Returned Merchandise Authorization (RMA) number. Our Sales team will either authorize or deny the request for return at its discretion. Any product returned without an issued RMA number will not be credited. All returns must be made within 30 days of delivery, be in new condition, be in original sealed packaging and include the RMA number on the outside of the packaging. No exceptions. All products and their packaging must be in new and unopened condition. Products that have been altered, installed, or modified are not returnable. All shipping costs for returns are the responsibility of the customer. All returns are subject to a 20% restocking fee as well as the original shipping charges that UMI Performance may have incurred while shipping your order.
Due to the majority of Viking products being drop shipped, we can not offer returns on any Viking products. If you purchase a Viking product be sure it fits your application. If you need technical assistance prior to placing order please contact [email protected]
This '304647 - 1978-1988 GM G-Body C5/C6 Front Brake Conversion Hubs, Bearings, Bracket Kit' fits the following platforms:
Fitment Note: Please note that wheel studs are not included in the kit and will need to be separately acquired for installation. Additionally, C5 brakes require a minimum 17" wheel for clearance, while C6 brakes require an 18" wheel. It is important to research wheel fitment before purchasing the kit.
Please be aware that the kit does not fit Blazer spindles.
Please be aware that the kit does not fit Blazer spindles.
1978-1988 GM G-Body
- 1978-1987 Buick Regal
- 1978-1987 Chevrolet El Camino
- 1978-1983 Chevrolet Malibu
- 1978-1988 Chevrolet Monte Carlo
- 1978-1987 GMC Caballero
- 1981-1988 Oldsmobile Cutlass
- 1982-1986 Pontiac Bonneville
- 1978-1987 Pontiac Grand Prix
This 304647 - 1978-1988 GM G-Body C5/C6 Front Brake Conversion Hubs, Bearings, Bracket Kit fits the following vehicles:
Buick
Regal
- 1978 Buick Regal
- 1979 Buick Regal
- 1980 Buick Regal
- 1981 Buick Regal
- 1982 Buick Regal
- 1983 Buick Regal
- 1984 Buick Regal
- 1985 Buick Regal
- 1986 Buick Regal
- 1987 Buick Regal
Chevrolet
El Camino
- 1978 Chevrolet El Camino
- 1979 Chevrolet El Camino
- 1980 Chevrolet El Camino
- 1981 Chevrolet El Camino
- 1982 Chevrolet El Camino
- 1983 Chevrolet El Camino
- 1984 Chevrolet El Camino
- 1985 Chevrolet El Camino
- 1986 Chevrolet El Camino
- 1987 Chevrolet El Camino
Malibu
- 1978 Chevrolet Malibu
- 1979 Chevrolet Malibu
- 1980 Chevrolet Malibu
- 1981 Chevrolet Malibu
- 1982 Chevrolet Malibu
- 1983 Chevrolet Malibu
Monte Carlo
- 1978 Chevrolet Monte Carlo
- 1979 Chevrolet Monte Carlo
- 1980 Chevrolet Monte Carlo
- 1981 Chevrolet Monte Carlo
- 1982 Chevrolet Monte Carlo
- 1983 Chevrolet Monte Carlo
- 1984 Chevrolet Monte Carlo
- 1985 Chevrolet Monte Carlo
- 1986 Chevrolet Monte Carlo
- 1987 Chevrolet Monte Carlo
- 1988 Chevrolet Monte Carlo
GMC
Caballero
- 1978 GMC Caballero
- 1979 GMC Caballero
- 1980 GMC Caballero
- 1981 GMC Caballero
- 1982 GMC Caballero
- 1983 GMC Caballero
- 1984 GMC Caballero
- 1985 GMC Caballero
- 1986 GMC Caballero
- 1987 GMC Caballero
Oldsmobile
Cutlass
- 1981 Oldsmobile Cutlass
- 1982 Oldsmobile Cutlass
- 1983 Oldsmobile Cutlass
- 1984 Oldsmobile Cutlass
- 1985 Oldsmobile Cutlass
- 1986 Oldsmobile Cutlass
- 1987 Oldsmobile Cutlass
- 1988 Oldsmobile Cutlass
Pontiac
Bonneville
- 1982 Pontiac Bonneville
- 1983 Pontiac Bonneville
- 1984 Pontiac Bonneville
- 1985 Pontiac Bonneville
- 1986 Pontiac Bonneville
Grand Prix
- 1978 Pontiac Grand Prix
- 1979 Pontiac Grand Prix
- 1980 Pontiac Grand Prix
- 1981 Pontiac Grand Prix
- 1982 Pontiac Grand Prix
- 1983 Pontiac Grand Prix
- 1984 Pontiac Grand Prix
- 1985 Pontiac Grand Prix
- 1986 Pontiac Grand Prix
- 1987 Pontiac Grand Prix
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