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  See more parts for Buick GS
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UMI Performance Upper and Lower A-Arm Kit with Delrin Bushings and 1/2" Taller Upper Ball Joints Black Buick | Chevrolet | GMC | Pontiac 1964-1972 - 403233-1-B
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 403233-1 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 the design offers additional 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 chromoly cross shafts. They feature a relocated mounting pad to increase caster without excessive shims and are loaded with 1/2" taller upper ball joints to improve camber performance. 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 ultra tough red or black powder coat finish guarantees your performance parts stay beautiful on your street car, drag car, autocrosser or Pro-Touring machine. The P/N 403233-1 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 403233-1 is shipped fully assembled and ready for installation.

Hardware kit, Part Number 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.

Features:
  • New premium 1/2" taller ball joints for improved camber curve
  • Relocated upper ball joint mounting pad for improved caster and better steering feel
  • A-arm kit is assembled with UMI manufactured greaseable and fluted CNC machined zero deflection Delrin bushings for ultimate smooth suspension action
  • 4140 chromoly cross shafts, CNC machined and zinc plated
  • CNC machined ball joint holders and tubing radiuses
  • TIG welded DOM tubing for superior strength and clean looks
  • Polyurethane bump stops, polyurethane spring isolators and new premium ball joints installed
  • Durable glossy black powder coat finish
  • Fits factory spindles, drop spindles and works with factory springs, lowering springs and coilover kits
  • Package includes recommended alignment specs and detailed installation instructions
  • Simply bolt-on and go
  • Designed and manufactured with pride in Philipsburg, PA - USA
Specifications:
  • Adjustable - No
  • Ball Joint Height - 1/2" Taller Upper
  • Bushing Type - Delrin
  • Color - Black
  • Finish - Powder Coat
  • Direct Bolt-On - Yes
Fitment:
  • Buick GS 1970-1972
  • Buick GS350 1968-1969
  • Buick GS400 1968-1969
  • Buick GS455 1970-1972
  • Buick Gran Sport 1965-1967
  • Buick Skylark 1964-1972
  • Buick Special 1964-1969
  • Buick Sportwagon 1964-1972
  • Chevrolet Chevelle 1964-1972
  • Chevrolet El Camino 1964-1972
  • Chevrolet Malibu 1964-1967
  • Chevrolet Monte Carlo 1970-1972
  • GMC Sprint 1971-1972
  • Pontiac GTO 1964-1972
  • Pontiac Grand Prix 1969-1972
  • Pontiac Lemans 1964-1972
  • Pontiac Tempest 1964-1970
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1970-1972
 Buick GS
1968-1969
 Buick GS 350
1968-1969
 Buick GS 400
1970-1972
 Buick GS 455
1965-1967
 Buick Gran Sport
1964-1972
 Buick Skylark
1964-1969
 Buick Special
1964-1972
 Buick Sportwagon
1964-1972
 Chevrolet Chevelle
1964-1972
 Chevrolet El Camino
1964-1967
 Chevrolet Malibu
1970-1972
 Chevrolet Monte Carlo
1971-1972
 GMC Sprint
1964-1971
 Oldsmobile 442
1964-1972
 Oldsmobile Cutlass
1966-1972
 Oldsmobile Vista Cruiser
1964-1967, 1970-1972
 Pontiac GTO
1964-1970
 Pontiac Tempest

UMI Performance Banner

Who is UMI Performance?

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 USA

All 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 Racetrack

UMI 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 Parts

Each 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 Racing

If 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.

UMI Performance warrants all UMI Performance products for a period of two (2) years from the original date of purchase.

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 is valid for the original purchaser of the UMI Product. Warranty is not transferable or valid for second ownership.

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.

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