Suspension

UMI's rear sway bar bracket install kit connects a UMI 3634 rear sway bar to GM factory trailing arms. This kit is commonly used when the B-body was not rear sway bar equipped from the factory. Kit includes CNC machined adapter blocks as well...

Upgrade your GM B-Body's handling with UMI's comprehensive sway bar kit. This kit includes both front and rear sway bars, engineered to reduce body roll and enhance cornering stability.This Part Fits: Year Make Model Submodel 1978-1981 Buick LeSabre Base 1985 Buick LeSabre Collector's Edition...

Upgrade your GM B-Body's handling with UMI's comprehensive sway bar kit. This kit includes both front and rear sway bars, engineered to reduce body roll and enhance cornering stability.This Part Fits: Year Make Model Submodel 1978-1981 Buick LeSabre Base 1985 Buick LeSabre Collector's Edition...

UMI's 3635 GM B-Body front sway bar is a direct fit upgrade to the small factory front bar. The robust 1.375" tubular bar fits in factory location but has big anti sway benefits. High quality, greasable poly bushings and end links are included. Simply...

UMI's 3635 GM B-Body front sway bar is a direct fit upgrade to the small factory front bar. The robust 1.375" tubular bar fits in factory location but has big anti sway benefits. High quality, greasable poly bushings and end links are included. Simply...

UMI's direct bolt-on 3634 rear sway bar decreases body roll to ensure a great handling experience. Beefy 1.125" diameter solid sway bar bolts directly to UMI arms and also to factory arms with optional 3636 bracket kit. Mounting location is exactly as designed by...

UMI's direct bolt-on 3634 rear sway bar decreases body roll to ensure a great handling experience. Beefy 1.125" diameter solid sway bar bolts directly to UMI arms and also to factory arms with optional 3636 bracket kit. Mounting location is exactly as designed by...

UMI’s Roto-Joint adjustable rear upper control arms are a reliable upgrade for your street or pro-touring car. These upper control arms are suitable for various driving conditions, whether it be on the street, strip, or carving corners. The premium spherical joint minimizes suspension deflection...

UMI’s Roto-Joint adjustable rear upper control arms are a reliable upgrade for your street or pro-touring car. These upper control arms are suitable for various driving conditions, whether it be on the street, strip, or carving corners. The premium spherical joint minimizes suspension deflection...

UMI's boxed lower control arms feature Roto-Joint technology for a smooth and bind-free performance, providing a comfortable ride. The control arms are constructed from 0.120” wall thickness rectangular tubing, with CNC machined bushing holders and MIG welded end caps to keep out debris. They...

UMI's boxed lower control arms feature Roto-Joint technology for a smooth and bind-free performance, providing a comfortable ride. The control arms are constructed from 0.120” wall thickness rectangular tubing, with CNC machined bushing holders and MIG welded end caps to keep out debris. They...

UMI's boxed lower control arms utilize Roto-Joint technology for a bind-free performance and comfortable ride quality. The control arms are fabricated from 0.120” wall thickness rectangular tubing, with CNC machined bushing holders and MIG welded end caps for durability. The sway bar provisions are...

UMI's boxed lower control arms utilize Roto-Joint technology for a bind-free performance and comfortable ride quality. The control arms are fabricated from 0.120” wall thickness rectangular tubing, with CNC machined bushing holders and MIG welded end caps for durability. The sway bar provisions are...

Eliminate wheel hop, increase traction and improve handling performance with an easy bolt on installation. UMI Performance’s adjustable upper controls feature on car adjustability and are supplied with spherical Roto-Joints. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed...

Eliminate wheel hop, increase traction and improve handling performance with an easy bolt on installation. UMI Performance’s adjustable upper controls feature on car adjustability and are supplied with spherical Roto-Joints. The Roto-Joint design is a pivot ball lined with a greaseable delrin race designed...

UMI’s Extended Rear Trailing Arm Kit enhances traction, stability, and handling for improved suspension geometry. Ideal for performance builds, it’s a bolt-on upgrade designed for strength and durability. Proudly made in the USA.This Part Fits: Year Make Model Submodel 1978-1981 Buick LeSabre Base 1985...

UMI's 362224 trailing arm kit is the perfect solution for the 1978-1996 GM B-Body factory wheelbase issue. By extending the arms 5/8", UMI has created a kit that effectively repositions the wheel within the wheel house. The extended length rod end adjustable upper trailing...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our extended length trailing arms a great upgrade to your ride. We recommend using extended length...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our extended length trailing arms a great upgrade to your ride. We recommend using extended length...

UMI's 362119 trailing arm kit is the perfect kit to tackle the 1978-1996 GM B-Body factory wheelbase problem. By lengthening the arms 5/8" UMI has created a kit to reposition the wheel properly in the wheel house. Extended length rod end adjustable upper trailing...

UMI's 362119 trailing arm kit is the perfect kit to tackle the 1978-1996 GM B-Body factory wheelbase problem. By lengthening the arms 5/8" UMI has created a kit to reposition the wheel properly in the wheel house. Extended length rod end adjustable upper trailing...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our extended length trailing arms a great upgrade to your ride. We recommend using extended length...

UMI’s extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our extended length trailing arms a great upgrade to your ride. We recommend using extended length...

UMI Performance extended length upper control arms are designed to center the rear wheels in the wheel well on the Impala SS. These control arms are extended 5/8” with additional adjustment for perfect centering. The user can lengthen or shorten the control arms an...

UMI Performance extended length upper control arms are designed to center the rear wheels in the wheel well on the Impala SS. These control arms are extended 5/8” with additional adjustment for perfect centering. The user can lengthen or shorten the control arms an...

UMI Performance extended length upper control arms are designed to properly center the rear wheels in the vehicles wheel well on the Impala SS. These control arms are extended 5/8” but also feature additional adjustment to perfectly center the rear end. The adjustment allows...

UMI Performance extended length upper control arms are designed to properly center the rear wheels in the vehicles wheel well on the Impala SS. These control arms are extended 5/8” but also feature additional adjustment to perfectly center the rear end. The adjustment allows...

UMI’s adjustable rear upper control arms are a reliable addition to your street car, suitable for various driving conditions. The greaseable polyurethane bushings minimize suspension deflection for improved handling, pinion angle tuning, and less wheel hop. These on car adjustable upper control arms can...

UMI’s adjustable rear upper control arms are a reliable addition to your street car, suitable for various driving conditions. The greaseable polyurethane bushings minimize suspension deflection for improved handling, pinion angle tuning, and less wheel hop. These on car adjustable upper control arms can...

Adjustability is crucial when it comes to tuning your street car's suspension. Our Ultimate "on-car" adjustable upper control arms for the rear of your GM vehicle have been meticulously designed with the best materials and components available. We have replaced weak areas with aircraft...

Adjustability is crucial when it comes to tuning your street car's suspension. Our Ultimate "on-car" adjustable upper control arms for the rear of your GM vehicle have been meticulously designed with the best materials and components available. We have replaced weak areas with aircraft...

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 stamped material add for traction loss and poor handling ability. Our...

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 stamped material add for traction loss and poor handling ability. Our...

This kit includes one set of Boxed lower control arms and one set of on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM setup adding strength, ride improvement, and rear end adjustment. The lower control arms feature grease-able...

This kit includes one set of Boxed lower control arms and one set of on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM setup adding strength, ride improvement, and rear end adjustment. The lower control arms feature grease-able...

This kit replaces both the rear upper and lower rear control arms on any 78-96 GM B-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 78-96 GM B-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 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 stamped material add for traction loss and poor handling ability. Our...

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 stamped material add for traction loss and poor handling ability. Our...

UMI Performance extended length control arms are designed to properly center the rear wheels in the wheel well of the Impala SS. These control arms are extended by 5/8” and feature additional adjustment capabilities to perfectly center the rear end. This adjustment allows users...

UMI Performance extended length control arms are designed to properly center the rear wheels in the wheel well of the Impala SS. These control arms are extended by 5/8” and feature additional adjustment capabilities to perfectly center the rear end. This adjustment allows users...

UMI Performance extended length control arms are designed to center the rear wheels of the Impala SS correctly within the wheel well. These control arms feature a 5/8” extension with added adjustment capabilities for precise centering of the rear end. Users can further adjust...

UMI Performance extended length control arms are designed to center the rear wheels of the Impala SS correctly within the wheel well. These control arms feature a 5/8” extension with added adjustment capabilities for precise centering of the rear end. Users can further adjust...

UMI Performance control arm relocation brackets quickly turn your factory or aftermarket rear control arms into a lift bar set-up. The relocation brackets are designed to lower the rear mount of the control arm changing the instant center point for improved traction. After product...

Panhard bar hardware kit includes new hardware for installing a panhard bar on the 1958-1970 Chevrolet B-Body vehicles. Kit includes grade 8 bolts, washers and nuts. Please note, some Chevrolet B-Body vehicles used larger mounting stud on rear end side and second included nut...

UMI 78-88 GM G-Body Front Sway Bar Spacer MountThis Part Fits: Year Make Model Submodel 1973-1977 Buick Century Base 1975-1977 Buick Century Custom 1976 Buick Century Indianapolis 500 Pace Car 1973-1975 Buick Century Luxus 1975-1977 Buick Century Special 1965-1967 Buick Gran Sport Base 1970-1972...

UMI 78-88 GM G-Body Front Sway Bar - RedThis Part Fits: Year Make Model Submodel 1978-1987 Buick Regal Base 1982-1983 Buick Regal Estate Wagon 1987 Buick Regal GNX 1984-1987 Buick Regal Grand National 1978-1987 Buick Regal Limited 1982 Buick Regal Limited Turbo 1978-1982 Buick...

UMI 78-88 GM G-Body Front Sway Bar - BlackThis Part Fits: Year Make Model Submodel 1978-1987 Buick Regal Base 1982-1983 Buick Regal Estate Wagon 1987 Buick Regal GNX 1984-1987 Buick Regal Grand National 1978-1987 Buick Regal Limited 1982 Buick Regal Limited Turbo 1978-1982 Buick...

UMI’s 3060-1 bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel travel. This kit includes a heavy duty 5/8" bolt and washer kit with a wide adjustment range along with...

UMI’s F-Body and G-Body bump steer kit is designed to reduce or eliminate toe change during suspension travel (also known as “bump steer”). Reduction of bump steer improves handling and straight line stability and enhances overall precision of the steering system. These direct bolt-in...