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Vivid Racing Gear 
- Features:
- New premium ball joints installed
- Relocated upper ball joint mounting pad for improved caster angle & better steering feel
- CNC machined ball joint holders & tubing radiuses
- TIG welded DOM tubing for superior strength & clean looks
- Polyurethane bump stops, polyurethane spring isolators & new premium ball joints installed
- Durable glossy red or black powder coat finish
- Fits factory spindle & works with factory springs, lowering springs & coil over kits
- May also fit other spindles. Call for details
- Package includes recommended alignment specs and detailed installation instructions
- Simply bolt-on & go
- Designed & manufactured with pride in Philipsburg, PA - USA
- 4140 CrMo cross shafts, CNC machined & zinc plated
Hardware kit, Part # 4004 - Upper and lower A-Arm hardware kit includes Grade 8 bolts, washers and zinc plated nylock nuts needed to install this complete kit. The hardware kit P/N 4004 adds the finishing touch to your installation and replaces the worn factory hardware with new, high quality fasteners.
Upper a-arms assembled with UMI manufactured greaseable & fluted CNC machined zero deflection Delrin bushings
UMI designed & manufactured Delrin bushings in upper & lower a-arms for precision handling & the ultimate smooth suspension action
Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Performance. UMI's P/N 403233 upper and lower a-arm kit replaces the worn out, stock stamped a-arms with high-strength tubular construction and a host of premium features. The stock geometry lower a-arms feature tough tubular construction with polyurethane spring isolators for ride comfort and greaseable Delrin bushings for precise handling and smooth suspension motion. We build the Delrin bushings in-house to ensure the ultimate in quality and smooth suspension action. The ball joint mount is angled slightly from stock to permit usage with lowered vehicles and to offer additional wheel and tire clearance. The tubular upper a-arms are assembled with smooth operating, low deflection UMI designed and manufactured Delrin bushings as well as UMI-built billet CrMo cross shafts. They feature a relocated mounting pad to increase caster without excessive shims. Both upper and lower a-arms are jig built to maintain accuracy for a perfect fit every time and come preloaded with premium ball joints. Critical areas are TIG welded for superior strength and a clean look. UMI's extensive testing on the street, drag strip and skid pad ensures a quality product able to with stand all types of conditions. The P/N 403233 a-arm kit will work with factory springs, lowering springs and coil over kits such as the popular QA1 coil over set up. For the best handling and tire life from the UMI designed a-arms, included with each kit are recommended alignment specs along with detailed installation instructions. UMI Performance a-arm kit P/N 403233 is shipped fully assembled and ready for installation. Manufactured with pride in Philipsburg, PA USA.
Features
- Material: Steel
- Color: Black
- Mounting Hardware Included: No
- Adjustable: No
- Bushing Material: Delrin
- Bushing Color: White
- Construction: Tubular
- Finish: Black Powdercoated
- Mounting Method: Bolt On
- Pre Greased: No
- Grease Fitting Included: Yes
- Bushings Included: Yes
- Ball Joint Included: Yes
- Grade Type: Performance
- California Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Notes:
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
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.
This warranty is valid against defects in materials and workmanship for the two (2) year warranty period. It is not valid against defect resulting from, but not limited to:
- Misuse and/or abuse, neglect or accident.
Exceeding the item(s) design limits.
Improper installation.
Acts of God, including lightning, floods, earthquakes, fire or high winds.
Damage in handling, including damage encountered during shipment.
This warranty shall be considered void if the warranted product is in any way altered, adjusted, tampered with or defaced.
The two (2) year warranty does not apply to normal wear and tear (the gradual deterioration of an asset which results naturally from use and/or age, i.e. bearings, bushings, etc.).
Non UMI manufactured parts are not covered or valid under this UMI Performance warranty.
UMI Performance cannot guarantee compatibility or performance of its products with other components used in conjunction with UMI Performance products.
UMI Performance cannot assume responsibility for any damages to UMI Products nor for claims for personal injury or property damage resulting from the use of UMI Performance's products or the improper operation thereof or consequential damages arising from the products or use of the products
.UMI Performance two (2) year warranty excludes incidental charges incurred by the end user in the event of breakage (towing, labor, installation, etc.). By their very nature, competition suspension parts are continuously expected to exceed to their limits (either by race or road use). UMI suspension components are designed to withstand intense race conditions, although it is impossible to control the quality of installation or the varying conditions in which they are used.
This warranty supersedes all other warranties and may only be modified by statement in writing, signed by UMI Performance owners/principals.
All Warranties implied by law, including the warranties of merchantability and fitness for a particular purpose, are hereby limited to the warranty period herein and shall expire at the end of such period.
| Sale price | None |
| Wholesale price | $1,340.47 |
| Shipping |
Weight: 48.00 Length: 18 Width: 12 Height: 18 |
| Product Added At | Friday 05 June, 2020 |
| Product Modified At | Wednesday 28 May, 2025 |
| Imported By | ETLOverride |
| Last Edited By | kathi@vividracing.com |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Yes |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| UMI Performance | $1,135.99 | $1,419.99 | ? | $1,419.99 | ? | 2025-05-28 12:31:32 |
