UMI Performance 05-10 Ford Mustang Adjustable Upper Control Arm- Poly Bushings

If you're looking to get better grip and more consistent launches out of your 2005-2014 Mustang, upgrading the rear upper control arm is a smart move. The factory stamped arms on these cars can flex under hard acceleration, leading to wheel hop and unpredictable handling. This UMI Performance adjustable upper control arm is built to eliminate that flex.

This arm is a direct bolt-on replacement for your stock unit. It features greaseable Energy Suspension polyurethane bushings, which offer a good balance of stiffness and compliance. The real advantage here is the on-car adjustability. You can easily change the pinion angle with a simple turn of a wrench, which is great for fine-tuning your suspension setup or correcting geometry if you've lowered your Mustang. The adjuster itself is made from heat-treated 4140 chromoly for durability, and the whole assembly is TIG welded for a solid build.

For the best results, consider UMI's part #1058 spacer kit. It's designed to take up the slop in the factory mounting bracket where the bolt hole is slightly larger than the bolt itself, which can cause clunking noises and further reduce precision. This kit helps ensure a tight fit and a more solid feel.