UMI Performance

3056-3 - 1978-1988 G-Body, S10 Tubular Front Upper A-Arms, Adjustable

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$729.99

UMI’s 3056-3 arms are the ultimate in performance and are race proven on the UMI Green Machine. These adjustable upper a-arms are designed to...

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UMI Performance

UMI tubular rear control arms: reduce wheel hop and improve handling.

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$149.99

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on...

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UMI Performance

UMI extended length control arms center rear wheels on Impala SS.

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$349.99

UMI Performance extended length control arms are designed to center the rear wheels of the Impala SS correctly within the wheel well. These control...

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UMI Performance

UMI adjustable uppers with Roto-Joints cut wheel hop & boost traction

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$319.99

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...

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UMI Performance

306201 - 1978-1988 GM G-Body Corner Max kit, Race, Street handling

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$2,948.99

UMI’s Corner Max front end kits are a comprehensive system with our best corner carving parts under one easy to find part number. The...

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UMI Performance

305756-3 - 1978-1988 GM G-Body, 1982-2003 S10/S15 Upper & Lower A-arm, C/O Only

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$1,529.99

Tremendous front grip and a host of features can be yours with UMI’s 305756-3 kit. This a-arm kit enables 10 degrees caster while maintaining...

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UMI Performance

3052-325 - 1978-1988 GM G-Body 3/4” Solid Rear Sway Bar, Auto-x/Road Race

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$499.99

UMI's G-Body ¾” solid rear sway bar is designed specifically to excel when used in autocross or road racing applications. The G-Body chassis when...

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UMI Performance

3052-275 - 1978-1988 GM G-Body 3/4” Solid Rear Sway Bar, Auto-x/Road Race

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$499.99

UMI's G-Body ¾” solid rear sway bar is designed specifically to excel when used in autocross or road racing applications. The G-Body chassis when...

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UMI Performance

3627 - 1978-1996 GM B-Body Boxed Lower Control Arms- w/ Dual Roto-Joints

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$399.99

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...

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UMI Performance

UMI extended uppers center Impala SS rear wheels with added adjustment.

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$279.99

UMI Performance extended length upper control arms are designed to center the rear wheels in the wheel well on the Impala SS. These control...

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UMI Performance

UMI polyurethane rear end bushings: stronger, better ride, USA-made.

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$59.99

UMI offers high durometer polyurethane bushings to replace the factory rubber rear end housing bushings. These bushings are designed to improve ride quality and...

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UMI Performance

UMI rear coilover kit for 78-88 G-Body with full adjustability

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$1,009.99

UMI’s bolt-in rear coilover kit allows for full adjustability in ride height, spring rate, and damping for 1978-1988 GM G-Body vehicles. The kit features...

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UMI Performance

1978-1988 GM G-Body Rear Coilover Kit, Control Arm Relocation, Stock Height

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$1,069.99

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustability for your 1978-1988 GM G-Body. The upper mount reinforcement is...

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UMI Performance

UMI boxed lower control arms with Roto-Joints improve traction and handling.

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$369.99

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...

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UMI Performance

UMI 3056 A-arms: race-tuned, shim-free, for tall spindles.

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$629.99

UMI’s 3056 adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street corner carving. The race quality rod ends...

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UMI Performance

3049-225 - 1978-1988 GM G-Body Rear Coilover Kit, Bolt In, 2”-3” Lowering

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$1,009.99

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustability for your 1978-1988 GM G-Body. The upper mount reinforcement is...

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UMI Performance

UMI extended length control arms center rear wheels on Impala SS.

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$349.99

UMI Performance extended length control arms are designed to center the rear wheels of the Impala SS correctly within the wheel well. These control...

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UMI Performance

3627 - 1978-1996 GM B-Body Boxed Lower Control Arms- w/ Dual Roto-Joints

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$399.99

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...

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UMI Performance

Extended upper arms center rear wheels and add adjustability.

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$279.99

UMI Performance extended length upper control arms are designed to properly center the rear wheels in the vehicles wheel well on the Impala SS....

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UMI Performance

3052-325 - 1978-1988 GM G-Body 3/4” Solid Rear Sway Bar, Auto-x/Road Race

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$499.99

UMI's G-Body ¾” solid rear sway bar is designed specifically to excel when used in autocross or road racing applications. The G-Body chassis when...

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UMI Performance

Boxed lowers & Ultimate uppers—strong, adjustable, precision built.

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$599.99

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...

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UMI Performance

361516 - 1978-1996 GM B-Body Upper & Lower Control Arm Kit

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$519.99

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...

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UMI Performance

NHRA-legal B-body driveshaft loop, bolt-in, strong steel, easy install.

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$99.99

This drive shaft safety loop is NHRA legal and designed specifically for the 1978-1996 GM B-body. It is a bolt-in application that replaces the...

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UMI Performance

361516 - 1978-1996 GM B-Body Upper & Lower Control Arm Kit

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$519.99

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...

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UMI Performance

UMI extended length control arms center rear wheels on Impala SS.

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$349.99

UMI Performance extended length control arms are designed to properly center the rear wheels in the wheel well of the Impala SS. These control...

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UMI Performance

3624 - 1991-1996 Impala SS Adj Ext Length Upper Control Arms - Roto-Joints

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$319.99

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...

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UMI Performance

UMI rear control arms improve handling, reduce wheel hop, and enhance traction.

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$329.99

Rear control arms are one of the most important suspension modifications that can be done to your GM vehicle. Stock control arms are on...

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UMI Performance

306201 - 1978-1988 GM G-Body Corner Max kit, Race, Street handling

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$2,948.99

UMI’s Corner Max front end kits are a comprehensive system with our best corner carving parts under one easy to find part number. The...

Quick View

UMI Performance

3056-3 - 1978-1988 G-Body, S10 Tubular Front Upper A-Arms, Adjustable

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$729.99

UMI’s 3056-3 arms are the ultimate in performance and are race proven on the UMI Green Machine. These adjustable upper a-arms are designed to...

Quick View

UMI Performance

3049-150 - 1978-1988 GM G-Body Rear Coilover Kit, Bolt In, 2”-3” Lowering

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$1,009.99

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustability for your 1978-1988 GM G-Body. The upper mount reinforcement is...

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UMI Performance

NHRA-legal B-body driveshaft loop, bolt-in, strong steel, easy install.

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$99.99

This drive shaft safety loop is NHRA legal and designed specifically for the 1978-1996 GM B-body. It is a bolt-in application that replaces the...

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UMI Performance

3620 - 1991-1996 Impala SS Adj Ext Length Upper Control Arms- Poly Ends

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$279.99

UMI Performance extended length upper control arms are designed to center the rear wheels in the wheel well on the Impala SS. These control...

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UMI Performance

UMI rear coilover kit for 78-88 G-Body with full adjustability

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$1,009.99

UMI’s bolt-in rear coilover kit allows for full adjustability in ride height, spring rate, and damping for 1978-1988 GM G-Body vehicles. The kit features...

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UMI Performance

UMI 3056 arms add caster/camber, smooth travel, and track-ready precision.

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$699.99

UMI’s 3056 adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street corner carving. The race quality rod ends...