Products

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...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new one. Our kit includes all new hardware...

Don't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new ones. Our kit includes all new hardwar...

UMI Performance adjustable upper control arms allow you to adjust your vehicles pinion angle for optimum performance, precise handling and improv...

UMI Performance adjustable upper control arms allow you to adjust your vehicles pinion angle for optimum performance, precise handling and improv...

Viking’s front coilover kit combines a high quality hybrid spring with a 19-position double adjustable shock. The upper coil fits the upper sprin...

Viking’s front coilover kit combines a high quality hybrid spring with a 19-position double adjustable shock. The upper coil fits the upper sprin...

Viking’s front coilover kit combines a high quality hybrid spring with a 19-position double adjustable shock. The upper coil fits the upper sprin...

Viking’s front coilover kit combines a high quality hybrid spring with a 19-position double adjustable shock. The upper coil fits the upper sprin...

Viking’s front coilover kit combines a high quality hybrid spring with a 19-position double adjustable shock. The upper coil fits the upper sprin...

The UMI P/N 2999 adds the finishing touch to allow full articulation of the GM 4-link rear suspension. By using 2999 and either Roto-Joints or rod ...

UMI’s Stage 1.5 kit is the simple way to dramatically improve the handling and performance of your muscle car. We start with our original Stage 1...