Overview

UMI Performance 1970-81 GM F-Body Front Upper/Lower A-Arm Kits

UMI Performance 1970-81 GM F-body front upper/lower A-arm kits are perfect for the F-body enthusiast seeking to improve the performance and appearance of their front suspension. These direct bolt-in kits feature caster relocation of both the upper and lower ball joints to enhance steering feel and improve high-speed stability.

Features and benefits:

* Spindle pin location remains unchanged, so fender clearance is like stock
* Laser-cut UMI reinforcement plates add a great appearance and excellent strength
* Chromoly offset cross shaft upper to reduce number of shims required
* 5 to 7 degrees of total positive caster. 0 to 2 1/2 degrees of negative camber
* Upper ball joint moved rearward to add 3 to 4 degrees caster potential
* Lower ball joint relocated forward to increase caster 2 degrees which improves steering feel and straight line stability
* Upper a-arm assembled with UMI-built Delrin® bushings for crisp steering response
* Upper and lower a-arms built from USA-made DOM steel tubing
* Heavy-duty spring bucket accepts factory and aftermarket coil springs
* Spring bucket is compatible with popular hybrid coils, such as Viking and QA1
* High-quality polyurethane bushings and bump stops provide a crisp yet comfortable ride
* Double shear swivel sway bar mounts and hardware work with UMI sway bars and most other factory eyelet-style sway bars
* Available in red or gloss black powdercoat

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