Products

Our high-quality ball joints are the great additional to your new upper A-Arms. Premium ball joints are made from high strength steel, feature a se...

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...

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...

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....

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...

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 ba...

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 ba...

Rear lower control arms are a must improvement for any General Motors A-Body vehicle. Our lower control arms our designed to replace your weak,...

Rear lower control arms are a must improvement for any General Motors A-Body vehicle. Our lower control arms our designed to replace your weak,...

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 4...

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 4...

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 4...

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 4...

UMI Performance single adjustable lower control arms feature an Energy Suspension polyurethane bushing set-up on one end and a QA1 spherical rod ...

UMI Performance single adjustable lower control arms feature an Energy Suspension polyurethane bushing set-up on one end and a QA1 spherical rod ...

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 Perf...

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 Perf...

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 Perf...

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 Perf...

UMI's 403256-3 a-arm kit adds 1.4 inches of much needed spindle height and includes Delrin lower a-arm bushings and adjustable rod end uppers, ma...

UMI's 403256-3 a-arm kit adds 1.4 inches of much needed spindle height and includes Delrin lower a-arm bushings and adjustable rod end uppers, ma...

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 hard...

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 fo...

A spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sp...