UMI Performance · New
UMI Performance 93-02 GM F-Body A-Arm Kit Road Race Boxed Lower + Adj Upper
MPN 230910-R · Store SKU umi230910-R
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
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Product details
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 heavy-duty, affords a five pound weight savings per set over factory lower a-arms. 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 - varies by chassis) for lowered cars and come assembled with premium ball joints. UMI’s newest design features the most travel and clearance of any a-arm on the market and is a must for lowered vehicles. This A-arm kit is 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. Hardware kit P/N 2303 - A-arm hardware kit includes Grade 10.9 bolts, washers and Ny-lock nuts. Kit includes everything needed to mount your new UMI a-arms to the vehicle. 230910 - 1993-2002 GM F-Body A-Arm Kit, Road Race, Boxed Lower + Adj Upper Teflon lined, high load capacity race rod ends= less suspension friction. Pedestal mount fits DeCarbon, Koni, Bilstein and aftermarket GM t-bar Adjustment allows additional caster and camber to be achieved. Uses balance of OEM hardware or use new UMI hardware kit. Race quality high misalignment rod end on vertical mount Double shear sway bar mount with endlink set included Double gusset design for flex-free operation Nominal 2 degrees additional caster built-in 0.120” wall mild steel box tubing lower Durable red or black powder coat. Made in Philipsburg, PA – USA Premium ball joints installed 5 lb weight savings per kit Features:
Manufacturer fitment & guides
Check 230910-R against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
