UMI Performance

FBS005 - 1998-2002 GM F-Body LS1 Front End Kit, Drag- Stage 5

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$2,749.99

UMI’s Stage 5 kit provides a solid foundation for your strip car with occasional street duty. Our dual tube k-member is known as the...

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UMI Performance

FBF002 - 1970-1981 GM F-Body Handling Kit, 2" Lowering, Stage 2

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$2,879.99

UMI’s FBF002 Stage 2 handling kit features everything you need to transform your 2nd Gen F-Body from a land yacht into a modern handling,...

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UMI Performance

302116 - 1978-1988 GM G-Body Rear Control Arm Kit, Fully Boxed Lowers

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$519.99

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...

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UMI Performance

Tubular rear control arms improve traction, handling, and ride quality.

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$149.99

Rear control arms are an essential suspension upgrade for your GM vehicle. Stock control arms can lead to traction loss and poor handling due...

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UMI Performance

GBR024 - 1978-1988 GM G-Body Pro-Touring Rear Suspension Kit

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$869.99

UMI's new pro-touring kit features all of our top of the line Pro-Tour style components in one convenient package. The lower arms are loaded...

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UMI Performance

UMI Stage 3 kit: pro handling, Bilstein shocks, made in PA, USA.

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$3,539.99

UMI’s Stage 3 kit is designed to deliver excellent street performance and Pro-Touring handling. It features Delrin lower a-arm bushings for precise steering, ½”...

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UMI Performance

GBF002-2 - 1978-1988 GM G-Body Handling Package, 2" Lowering- Stage 2

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$3,229.99

UMI Performance’s newly renovated Stage 2 handling kit includes everything to upgrade and rebuild the suspension on your classic 1978-1988 GM G-Body. The Stage...

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UMI Performance

Tubular rear control arms improve traction, handling, and ride quality.

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$149.99

Rear control arms are an essential suspension upgrade for your GM vehicle. Stock control arms can lead to traction loss and poor handling due...

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UMI Performance

301417 - 1978-1988 GM G-Body Adjustable Upper & Lower Control Arm Kit

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$519.99

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...

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UMI Performance

GBF005-2 - 1978-1988 GM G-Body Handling Kit- Stage 4, 2" Lowering

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$4,929.99

Who says you can't have it all? UMI's Stage 4 kit transforms your G-Body into a handling machine with the adjustability to perform well...

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UMI Performance

FBT005 - 1993-1997 GM F-Body LT1 Front End Kit, Drag- Stage 5

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$2,749.99

UMI’s Stage 5 kit provides a solid foundation for your strip car with occasional street duty. Our dual tube k-member is known as the...

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UMI Performance

SS103051G - 1978-1988 GM G-Body UMI Shock and Spring Kit, 2” Lowering

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$665.99

The UMI Performance spring and shock kit is designed to lower your car 1 while providing a huge improvement in handling and control. These...

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UMI Performance

Stage 4 Kit: tubular A-arms, coilovers, sway bars, and adjustable shocks.

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$4,929.99

UMI's Stage 4 kit is designed to transform your G-body into a high-performing vehicle with adjustable features for both street driving and racing. This...

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UMI Performance

FBS003 - 1998-2002 GM F-Body LS1 Front End Kit, Drag- Stage 3

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$1,929.99

UMI’s Stage 3 kit is for when you’re starting to get serious. The rod end upper and lower a-arms reduce friction and unsprung weight...

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UMI Performance

FBS002 - 1998-2002 GM F-Body LS1 Front End Kit, Street- Stage 2

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$1,789.99

UMI’s Stage 2 kit provides a solid foundation for your street car used for drag strip duty. It features the best of both worlds...

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UMI Performance

3020 - 1978-1987 GM G-Body Rear Lift Bar Set-Up

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$439.99

The UMI Performance lift bars replace your stock rear control arms adding tremendous track gains while not effecting ride height and keeping ride quality...

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UMI Performance

UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs.

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$1,349.99

UMI’s lowering package includes four Viking double adjustable shocks, a hybrid front coil-over spring system with 350 lb front springs, and your choice of...

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UMI Performance

UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs.

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$1,349.99

UMI’s lowering package features four Viking double adjustable shocks, a hybrid front coil-over spring system with 250 lb front springs, and your choice of...

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UMI Performance

GBF035-2 - 1978-1988 GM G-Body Handling Kit, 2” Lowering- Stage 3.5

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$4,059.99

UMI’s Stage 3.5 kit is designed to transform your GM G-Body from a grandma cruiser to a capable corner carver with the twist of...

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UMI Performance

Stage 4 Kit: tubular A-arms, coilovers, sway bars, and adjustable shocks.

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$4,929.99

UMI's Stage 4 kit is designed to transform your G-body into a high-performing vehicle with adjustable features for both street driving and racing. This...

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UMI Performance

UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs.

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$1,349.99

UMI’s lowering package features four Viking double adjustable shocks, a hybrid front coil-over spring system with 250 lb front springs, and your choice of...

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UMI Performance

FBT005 - 1993-1997 GM F-Body LT1 Front End Kit, Drag- Stage 5

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$2,749.99

UMI’s Stage 5 kit provides a solid foundation for your strip car with occasional street duty. Our dual tube k-member is known as the...

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UMI Performance

FBT004 - 1993-1997 GM F-Body LT1 Front End Kit, Street- Stage 4

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$2,569.99

UMI’s Stage 4 kit provides a solid foundation for your street car used for corner carving duty. It features the best of both worlds...

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UMI Performance

FBS004 - 1998-2002 GM F-Body LS1 Front End Kit, Street- Stage 4

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$2,749.99

UMI’s Stage 4 kit provides a solid foundation for your street car used for corner carving duty. It features the best of both worlds...

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UMI Performance

301517 - 1978-1988 GM G-Body Lower Control Arm & Adj Upper Control Arm Kit

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$469.99

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

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UMI Performance

SS103051 - 1968-1972 GM A-Body UMI Shock/Spring Kit, 2” Lowering

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$665.99

The UMI Performance spring and shock kit is designed to lower your car 2 inches while providing a huge improvement in handling and control....

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UMI Performance

GBF002-1 - 1978-1988 GM G-Body Handling Package, 1" Lowering- Stage 2

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$3,229.99

UMI Performance’s newly renovated Stage 2 handling kit includes everything to upgrade and rebuild the suspension on your classic 1978-1988 GM G-Body. The Stage...

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UMI Performance

GBF001-1 - 1978-1988 GM G-Body Handling Package, 1" Lowering- Stage 1

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$1,158.99

The Stage 1 is perfect for the G-Body owner who wants a simple and effective suspension upgrade with real handling improvement. This kit includes...

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UMI Performance

Stage 3.5 Kit: coilovers, A-arms, sway bar, and leaf springs.

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$3,828.99

UMI’s Stage 3.5 handling kit is designed to transform your 2nd Gen F-Body into a modern, corner-carving machine. This kit features Viking front hybrid...

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UMI Performance

FBF003 - 1970-1981 GM F-Body Handling Kit, 2" Lowering, Stage 3

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$2,959.99

UMI’s FBF003 Stage 3 handling kit features everything you need to transform your 2nd Gen F-Body from a land yacht into a modern handling,...

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UMI Performance

ABR813 - 1968-1972 GM A-Body Upper & Lower Control Arm Kit

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$799.99

Upgrade your 64-72 A-Body rear suspension with our complete rear suspension kit. This kit includes tubular lower and upper control arms, adjustable frame braces,...

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UMI Performance

FBF001 - 1970-1981 GM F-Body Handling Kit, 2" Lowering, Stage 1

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$1,499.99

UMI’s Stage 1 handling kit is the cost effective way to refresh your trusty 2nd Gen and bring the joy back to daily driving....

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UMI Performance

FBS003 - 1998-2002 GM F-Body LS1 Front End Kit, Street- Stage 2

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$1,929.99

UMI’s Stage 2 kit provides a solid foundation for your street car used for drag strip duty. It features the best of both worlds...

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UMI Performance

Adjustable rear control arms improve handling, clearance, and traction.

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$279.99

UMI Performance single adjustable lower control arms are designed to provide rear end adjustment and reduce rear end bind. The polyurethane bushing set-up on...