Suspension and Components Front Suspension Components

UMI PERFORMANCE

UMI Performance 73-87 GM C10 Street Performance A-Arm Kit - Black

$1,488.99

SKU: U01C 643233-B

In Stock
In Stock
Ships by Jul 31
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Upgrade your GM C10 with UMI's 643233 Street Performance A-Arm Kit. Enhance steering feel, cornering, and reduce wandering. Made in the USA with quality materials for improved performance. The increased caster improves steering precision while the Delrin bushings ensure smooth suspension action. This kit is a direct bolt-in, compatible with stock springs, UMI springs, and most lowering springs. Made with tough 4140 machined cross shafts and North American DOM tubing and plate. Other features include integrated bump stops, a Proforged ball joint, geometry-corrected ball joint pad for improved stability, and an integrated brake cable tab for easy routing.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUMI PERFORMANCE
Part NumberU01C 643233-B

Videos

Buy with Confidence

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.

View Full Return Policy