| UMI’s heavy duty boxed arm kit with adjustable rod ends provides a rock-solid foundation for your autocross, road race or corner carving 4th Gen. The lower a-arms fully gusseted box tubing construction, while appearing robust, affords a five pound weight savings per set over factory lower a-arms. Revised ball joint location adds a nominal 2 degree caster increase. These arms have double shear sway bar mount tabs with endlink set included as well as factory GM pedestal location. Lower arms are compatible with factory, Koni, and other t-bar, stock mount shocks. Upper arms feature caster and camber adjustment with premium rod ends. Laser cut ball joint pads feature improved ball joint angle and increased caster (up to additional 2 degrees) for lowered cars and come assembled with premium ball joints. UMI’s newest design of P/N 2310 features the most travel and clearance of any a-arm on the market and is a must for extreme lowered vehicles. This A-arm kit designed to work with the factory K-member, UMI k-members, and virtually all stock mounting point aftermarket K-members. Crafted with pride in Philipsburg, PA- USA.
Features:
0.120” wall mild steel box tubing lower
5 lb weight savings per kit
Double shear sway bar mount with endlink set included
Pedestal mount fits DeCarbon, Koni, Bilstein and aftermarket GM t-bar
Double gusset design for flex-free operation
Race quality high misalignment rod end on vertical mount
4 degrees additional caster built-in
Teflon lined, high load capacity race rod ends= less suspension friction.
Adjustment allows additional caster and camber to be achieved.
Uses balance of OEM hardware or use new UMI hardware kit.
Premium ball joints installed
Durable red or black powder coat.
Made in Philipsburg, PA – USA | 
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