Suspension

UMI Performance’s 12-bolt swap control arms are designed to bolt a 1964-1972 GM A-Body 10-Bolt or 12-Bolt rear end into a 1978-1988 GM G-Body; this includes Monte Carlo, Malibu, El Camino, Regal, Grand National, Grand Prix and Cutlass. These upper control arms are built...

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed to offer 28 degrees of total unrestricted movement, more than adequate...

UMI's tubular lower control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed to offer 28 degrees of total unrestricted movement, more than adequate...

UMI’s Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI’s Roto-Joint upper control arms are suitable for street, strip or corner carving. The premium UMI built spherical joint drastically minimizes suspension deflection for a crisp handling...

UMI’s Roto-Joint adjustable rear upper control arms are a bulletproof addition to your street or pro-touring car. UMI’s Roto-Joint upper control arms are suitable for street, strip or corner carving. The premium UMI built spherical joint drastically minimizes suspension deflection for a crisp handling...

UMI's tubular upper control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed to offer 28 degrees of total unrestricted movement, more than adequate...

UMI's tubular upper control arms utilize our Roto-Joint technology for a bind free performance and quiet comfortable ride quality. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed to offer 28 degrees of total unrestricted movement, more than adequate...

UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. The 1.250” front sway bar is more rigid than the factory 7/8” front sway bar and comes complete with new high quality...

UMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. The 1.250” front sway bar is more rigid than the factory 7/8” front sway bar and comes complete with new high quality...

The UMI Performance 1.250" solid front sway bar is designed to enhance your vehicle's handling by reducing body roll, improving cornering capabilities, and minimizing understeer. Made from high-quality 4140 chrome moly steel, this sway bar is stiffer than the factory bar for increased performance....

The UMI Performance 1.250" solid front sway bar is designed to enhance your vehicle's handling by reducing body roll, improving cornering capabilities, and minimizing understeer. Made from high-quality 4140 chrome moly steel, this sway bar is stiffer than the factory bar for increased performance....

Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works excellent to keep your vehicle level and straight during those hard launches. Our sway...

Our beefy 1" solid rear sway bar is designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar also works excellent to keep your vehicle level and straight during those hard launches. Our sway...

Improve handling and fulfill your G-Body's built-in performance potential by installing our P/N 3033-1 tubular upper a-arms. The relocated ball joint plate on these a-arms permits up to six degrees of positive caster without excessive shimming. Expect improved steering feedback courtesy of increased caster...

Improve handling and fulfill your G-Body's built-in performance potential by installing our P/N 3033-1 tubular upper a-arms. The relocated ball joint plate on these a-arms permits up to six degrees of positive caster without excessive shimming. Expect improved steering feedback courtesy of increased caster...

Improve the street and track performance of your GM truck and achieve that precise Pro-Touring feel by combining our popular P/N 3033 upper a-arms with ½” taller premium ball joints. P/N 3033-2 a-arms combine the benefit of additional caster with increased negative camber potential...

Improve the street and track performance of your GM truck and achieve that precise Pro-Touring feel by combining our popular P/N 3033 upper a-arms with ½” taller premium ball joints. P/N 3033-2 a-arms combine the benefit of additional caster with increased negative camber potential...

You take pride in your ride whether it's slammed to the ground or infused with a ton of power. Don't settle for those flimsy, stock a-arms. Upgrade to UMI's fabricated tubular a-arms and improve your vehicles street and track performance. UMI’s P/N 383233-1 upper...

You take pride in your ride whether it's slammed to the ground or infused with a ton of power. Don't settle for those flimsy, stock a-arms. Upgrade to UMI's fabricated tubular a-arms and improve your vehicles street and track performance. UMI’s P/N 383233-1 upper...

UMI has raised the bar. Our host of ultra-premium features come together in one package to provide your ride with unmatched precision, performance, durability and quality. UMI’s P/N 383233-2 upper and lower a-arm kit replaces the worn out, stock stamped a-arms with high-strength tubular...

UMI has raised the bar. Our host of ultra-premium features come together in one package to provide your ride with unmatched precision, performance, durability and quality. UMI’s P/N 383233-2 upper and lower a-arm kit replaces the worn out, stock stamped a-arms with high-strength tubular...

UMI lower A-Arms are fabricated from DOM tubing with CNC machined tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look. UMI’s...

UMI lower A-Arms are fabricated from DOM tubing with CNC machined tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look. UMI’s...

UMI's flagship 3032-1's are designed to make your G-Body car handle like a slot car. These arms have two key features above and beyond UMI's already impressive fabricated lower a-arm; Delrin bushings and 1/2" taller-than-stock ball joints. The Delrin bushings provide bind-free, precise motion....

UMI's flagship 3032-1's are designed to make your G-Body car handle like a slot car. These arms have two key features above and beyond UMI's already impressive fabricated lower a-arm; Delrin bushings and 1/2" taller-than-stock ball joints. The Delrin bushings provide bind-free, precise motion....

Improve handling and fulfill your truck’s built-in performance potential by installing our P/N 383133-1 tubular upper and lower a-arms. UMI’s P/N 383133-1 upper and lower a-arm kit replaces the worn out, stock stamped a-arms with high-strength tubular construction and a host of premium features....

Improve handling and fulfill your truck’s built-in performance potential by installing our P/N 383133-1 tubular upper and lower a-arms. UMI’s P/N 383133-1 upper and lower a-arm kit replaces the worn out, stock stamped a-arms with high-strength tubular construction and a host of premium features....

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look....

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look....

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look....

UMI lower A-Arms are fabricated from USA DOM tubing with CNC notched tube ends for a precision fit. They are jig built to maintain accuracy and bolt on correctly every time. All critical areas are TIG welded for superior strength and a clean look....

Complete Kit Includes: (1) Set of Double Adjustable Lower Control Arms with Spherical Rod Ends (Item #3027) (1) Ser of Double Adjustable Upper Control Arms "Ultimate Arms" (Item #3017)This Part Fits: Year Make Model Submodel 1978-1987 Buick Regal Base 1988 Buick Regal Custom 1982-1983...

Complete Kit Includes: (1) Set of Double Adjustable Lower Control Arms with Spherical Rod Ends (Item #3027) (1) Ser of Double Adjustable Upper Control Arms "Ultimate Arms" (Item #3017)This Part Fits: Year Make Model Submodel 1978-1987 Buick Regal Base 1988 Buick Regal Custom 1982-1983...

Some competitors may consider these "Race Only" control arms while we consider them Race Ready. Our double adjustable lower control arms feature TIG welded fabrication, reinforced sway bar holes and QA1 Endura Series Teflon lined spherical rod ends. When you are looking for the...

Some competitors may consider these "Race Only" control arms while we consider them Race Ready. Our double adjustable lower control arms feature TIG welded fabrication, reinforced sway bar holes and QA1 Endura Series Teflon lined spherical rod ends. When you are looking for the...

UMI Performance adjustable upper control arms are designed to optimize your vehicle's performance by allowing you to adjust the pinion angle for improved handling and traction. These control arms are made with high-quality materials, including CNC machined 0.250" steel mounting plates, 4140 chrome moly...

UMI Performance adjustable upper control arms are designed to optimize your vehicle's performance by allowing you to adjust the pinion angle for improved handling and traction. These control arms are made with high-quality materials, including CNC machined 0.250" steel mounting plates, 4140 chrome moly...

UMI Performance adjustable upper control arms allow you to adjust your vehicles pinion angle for optimum performance, precise handling and improved traction. Adjustable upper control arms are constructed of CNC machined 0.250" steel mounting plates, 4140 chromoly threaded tube adapters and a high strength,...

UMI Performance adjustable upper control arms allow you to adjust your vehicles pinion angle for optimum performance, precise handling and improved traction. Adjustable upper control arms are constructed of CNC machined 0.250" steel mounting plates, 4140 chromoly threaded tube adapters and a high strength,...

UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and less wheel hop. Sway bar mounting holes are reinforced with TIG welded sleeves...

UMI’s boxed rear lower control arms are a bulletproof addition to your car. Suitable for street, strip or corner carving, these arms minimize suspension deflection for a crisp handling setup and less wheel hop. Sway bar mounting holes are reinforced with TIG welded sleeves...

Wheel hop or traction issues? We have the solution! Optimize your vehicle's instant center and improve forward traction by lowering the rear of the lower control arm. This trailing arm and bracket system relocates the rear lower arm pickup point for improved drag launch...

Wheel hop or traction issues? We have the solution! Optimize your vehicle's instant center and improve forward traction by lowering the rear of the lower control arm. This trailing arm and bracket system relocates the rear lower arm pickup point for improved drag launch...

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel hop. Kit includes UMI’s premium fully boxed lower control arms designed to...

UMI’s rear control arm kit is a bulletproof addition to your car. Suitable for street, strip or corner carving, this kit minimizes suspension deflection for a crisp handling setup and less wheel hop. Kit includes UMI’s premium fully boxed lower control arms designed to...

This kit replaces both the rear upper and lower rear control arms on any 78-87 GM G-Body. Kit is designed to reduce traction loss and minimize wheel hop found with stock control arms. Control arms are fixed length and match GM specs. Lower control...

This kit replaces both the rear upper and lower rear control arms on any 78-87 GM G-Body. Kit is designed to reduce traction loss and minimize wheel hop found with stock control arms. Control arms are fixed length and match GM specs. Lower control...

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss and poor handling. Our boxed control arms offer improved performance for both weekend cruising and track use. The included polyurethane...

Rear control arms are essential suspension upgrades for GM vehicles. Stock control arms are prone to bushing deflection and rusting, leading to traction loss and poor handling. Our boxed control arms offer improved performance for both weekend cruising and track use. The included polyurethane...

The UMI Performance lift bars replace your stock rear control arms adding tremendous track gains while not effecting ride height and keeping ride quality at its best. Lift bars are designed to work with axle torque to load the chassis of the car, forcing...