UMI Performance Introduces Upper And Lower A-Arms For 1970-81 F-Body


New from UMI Performance – upper and lower A-arms for the 1970-1981 Camaro and Firebird are perfect for people seeking to improve the performance and appearance of their front suspension. See more details below.

Official Release:

UMI’s 2nd Generation F-body a-arms are perfect for the F-body enthusiast seeking to improve the performance and appearance of their front suspension. This kit features caster relocation of both the upper and lower ball joints to enhance steering feel and improve high speed stability. As designed, the caster range is 5-7 degrees. The spindle pin location remains unchanged so fender clearance is like stock.

The upper a-arms include chromoly offset cross shafts to reduce the amount of shims required when setting camber. A pancake style polyurethane bump stop and high quality ball joint is included. The heavy duty lower spring bucket accepts factory and aftermarket coil springs as well as the popular hybrid coilover units. Laser cut UMI reinforcement plates add a great appearance and excellent strength. UMI’s double shear sway bar end links are included and work nicely with UMI P/N 4035 sway bar and also most aftermarket stock eyelet type sway bars. Available in UMI red or gloss black powder coat. 100% designed, manufactured and raced with pride in Philipsburg, PA – USA.


  • Direct bolt-in for 1970-1981 GM F-body
  • Upper and lower a-arms built from USA Made DOM steel tubing
  • Heavy duty spring bucket accepts factory and aftermarket coil springs

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About the author

Chris McWilliams

Chris McWilliams grew up watching his dad race go-karts around his Southern Indiana home and started racing junior dragsters when he was 10 years old. Chris drove a UMP Mini Stock for two seasons until he totaled his racecar in an accident at Western Kentucky Speedway. He is currently a college student at Oakland City University working on a degree to pay the bills for his dirt racing addiction.
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