UMI Performance

UMI’s Corner Max line of race a-arms are designed from the ground up to be the best performing stock mount a-arm upgrade on the market. The P/N 4062-1 arms are strong yet lightweight and feature a...

UMI Performance's single adjustable lower control arms combine an polyurethane bushing on one end with a QA1 spherical rod end on the other. This design allows for rear-end adjustment and minimizes...

UMI Performance's single adjustable lower control arms combine an polyurethane bushing on one end with a QA1 spherical rod end on the other. This design allows for rear-end adjustment and minimizes...

Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Performance. UMI's P/N 403133 upper and lower a-arm kit...

Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Performance. UMI's P/N 403133 upper and lower a-arm kit...

Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Performance. UMI's P/N 403233 upper and lower a-arm kit...

Improve performance and make your classic A-Body feel like a modern day muscle car with a complete set of fabricated tubular a-arms from UMI Performance. UMI's P/N 403233 upper and lower a-arm kit...

Lower a-arms are assembled with UMI manufactured greaseable & fluted CNC machined zero deflection Delrin bushings for ultimate smooth suspension action

Lower a-arms are assembled with UMI manufactured greaseable & fluted CNC machined zero deflection Delrin bushings for ultimate smooth suspension action

Don't reuse old rusty bolts when installing aftermarket A-Arms when they can easily be replaced with new ones. Our kit includes new high grade hardware for installing your new upper and lower A-Arms...

Don't reuse old rusty bolts when installing aftermarket A-Arms when you can replace them with new ones. Our kit includes new high grade hardware for installing your new upper A-Arms. Kit includes...

UMI’s 1-¼" (32mm) solid front sway bar is the go-to bar for today’s modern handling muscle car. This bar reduces body roll and helps plant the front tires without ruining ride quality and comfort...