UMI PERFORMANCE
UMI Performance 70-81 GM F-Body Upper A-arms Front Adjustable
SKU: U01C 2656-R
Description
Part #: 2656-R
UMI's 2nd Gen F-Body adjustable upper a-arms are race-worthy components equally at home on the street. Our P/N 2656 adjustable upper a-arms add caster to improve steering feel and reduce wandering. UMI's single adjustable rod end design allows for caster and camber adjustment with zero or minimal shimming. The strong tubular construction and 4140 CrMo cross shaft gives peace of mind when road racing, drag racing or simply corner carving in the mountains. Available in UMI red or gloss black powder coat. 100% designed, manufactured and raced with pride in the USA.
Features:
- Direct bolt-in for 1970-1981 GM F-Body.
- Adds 5 to 6 degrees of caster to improve steering feel and reduce wandering.
- Combine with UMI lower a-arms to gain 8 to 10 degrees of positive caster.
- Shorter than stock to reduce need for shims when using racing alignment settings.
- Camber range from negative 1/2 degree to negative 2-1/2 degrees.
- 1.250" USA Made DOM steel construction with 4140 threaded adapters.
- 4140 CrMo cross shaft for strength.
- Thick Laser cut ball joint plate and premium ball joint installed.
- Rod ends reduce stiction and allow easy movement for drag race reaction and consistent times.
- Great for race use while being street worthy.
- 100% manufactured in Philipsburg, PA - USA.
UMI's 2nd Gen F-body & 78-96 B-body adjustable upper A-arms boost steering precision with added caster and easy camber/caster tuning. Built from strong tubular steel with a 4140 CrMo cross shaft, and are made in the USA.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | UMI PERFORMANCE |
| Part Number | U01C 2656-R |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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