UMI Performance

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride makes the better chance of bending or breaking the...

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride makes the better chance of bending or breaking the...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting ...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting ...

2* Lowering with standard SBC, Pontiac 400 and aluminum head/intake Big Block Chevy as well as LS power. Fitment: Buick Gran Sport Base 1967 Buick Skylark 350 1970 Buick Skylark 350 1972 Buick...

Installation: Easy 1-hour bolt on installation requires no drilling, uses OEM hardware.

Installation: Easy 1-hour bolt on installation requires no drilling, uses OEM hardware.

UMI Performance single adjustable lower control arms feature an Energy Suspension polyurethane bushing set-up on one end and a QA1 spherical rod end on the other. This type of set-up allows rear...

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 hardware for installing either upper or lower rear control...

New Hardware Kit: UMI offers the option to purchase new mounting hardware for installing lower control arms. This kit includes all needed Grade 8 hardware for installing one set of rear lower control...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM...

Installation: Item installs in approximately 1-2 hours using basic hand tools. Fitment: Buick Skylark 350 1970 Buick Skylark 350 1972 Buick Skylark Base 1968 Buick Skylark Base 1969 Buick Skylark...

Trailing arm mount braces are designed to reinforce the upper and lower front control arm mounts on your classic A-Body. The more power your ride makes the better chance of bending or breaking the...

Installation: Easy 1-hour bolt-on installation requires no drilling, uses OEM hardware.

Installation: Easy 1-hour bolt-on installation requires no drilling, uses OEM hardware.

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of junk, bushing deflection and rusting weak...

100% Made In USA Fitment: Chevrolet C10 Big Ten 1978 Chevrolet C10 Big Ten 1979 Chevrolet C10 Big Ten 1980 Chevrolet C10 Cheyenne 1975 Chevrolet C10 Cheyenne 1976 Chevrolet C10 Cheyenne...

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 for installing both upper and lower rear control...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the...

This kit includes (1) set of our tubular single adjustable lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the...

Trailing arm mount braces are designed to reinforce the rear upper and lower front control arm mounts on your 1978-1988 G-Body vehicle. The more power your ride makes the better chance of bending or...

Installation: Easy 1-hour bolt on installation requires no drilling, uses OEM hardware.Installation: Easy 1-hour bolt on installation requires no drilling, uses OEM hardware.

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak...

For ease of adjustment UMI has designed our Ultimate Arms with on-car adjustability. You can easily make pinion angle adjustments in the garage or at the track; it's as simple as loosening two jam...

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on the borderline of "junk", bushing deflection and rusting weak...

1979 - 1998 Ford Mustang Fitment: Ford Mustang Base 1979 Ford Mustang Base 1980 Ford Mustang Base 1981 Ford Mustang Base 1994 Ford Mustang Base 1995 Ford Mustang Base 1996 Ford Mustang Base...

Manufactured with pride in Philipsburg, PA - USA.

Manufactured with pride in Philipsburg, PA - USA.

UMI*s complete kit replaces the weak, factory stamped lower control arms and panhard bar with our heavy duty tubular setup. These direct bolt-on replacements minimize wheel hop, improve cornering...

UMI*s complete kit replaces the weak, factory stamped lower control arms and panhard bar with our heavy duty tubular setup. These direct bolt-on replacements minimize wheel hop, improve cornering...

Installation: Installs in approximately 30 minutes in factory mounting points using OEM hardware.

UMI*s heavy duty control arms are direct replacements of the weak, factory stamped rear lower control arms. UMI*s control arms are constructed of 1-1/2* mild steel tubing with CNC machined ends and...

UMI*s heavy duty control arms are direct replacements of the weak, factory stamped rear lower control arms. UMI*s control arms are constructed of 1-1/2* mild steel tubing with CNC machined ends and...

Durable long lasting glossy powder coat finish

Durable long lasting glossy powder coat finish

Durable long lasting glossy powder coat finish Fitment: Chevrolet Caprice Base 1991 Chevrolet Caprice Base 1992 Chevrolet Caprice Classic 1991 Chevrolet Caprice Classic 1992 Chevrolet Caprice...

Features: - CNC machined and contoured for exact tolerances and accuracy - Shipped pre-set at 5/8* extended length - 4140 Chrome Moly heat treated adjuster - Easy on-car adjustments for...

Includes Spanner Wrench