UMI Performance

Tired of looking at hammered, crusty lower a-arms with cracked ball joint bosses? UMI has the solution with brand new modern tubular lower a-arms. UMI lower A-Arms are fabricated from DOM tubing...

Tired of looking at hammered, crusty lower a-arms with cracked ball joint bosses? UMI has the solution with brand new modern tubular lower a-arms. UMI lower A-Arms are fabricated from DOM tubing...

Tired of looking at hammered, crusty lower a-arms with cracked ball joint bosses? UMI has the solution with brand new modern tubular lower a-arms. UMI lower A-Arms are fabricated from DOM tubing...

Improve handling and make your classic A-Body feel like a modern day muscle car by installing our P/N 4033 tubular upper a-arms. The relocated ball joint plate on these a-arms permits up to six...

Improve handling and make your classic A-Body feel like a modern day muscle car by installing our P/N 4033 tubular upper a-arms. The relocated ball joint plate on these a-arms permits up to six...

Rear lower control arms are a necessary upgrade for any General Motors A-Body vehicle. Our control arms are designed to replace the weak and rusted factory arms, providing increased strength and...

Rear lower control arms are a necessary upgrade for any General Motors A-Body vehicle. Our control arms are designed to replace the weak and rusted factory arms, providing increased strength and...

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 arms are strong yet lightweight and feature a...

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 arms are strong yet lightweight and feature a...

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’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...