BUICK GS UMI Performance

UMI Performance Bolt-In Viking Rear Coilover Kits 4057-110

UMI Performance Bolt-In Viking Rear Coilover Kits 4057-110

Coilover Kit, 1964-72 GM A-Body, Rear, Bolt-In, Control Arm Relocation, Viking Double Adjustable Shocks, 110 lbs. Springs, Drag, Kit

Part Number: UPI-4057-110

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

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UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4057-175

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UMI Performance Corner Max Kits 406503-R

A-body Corner Max Kit- Race

Part Number: UPI-406503-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 2.5 Handling Kits ABF804-1-R

GM A-Body Handling Package, GM A-Body Handling Package

Part Number: UPI-ABF804-1-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 4 Handling Kits ABF808-2-R

Suspension Handling Package, Stage 4, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-ABF808-2-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 5 Handling Kits ABF809-2-B

1968-1972 GM A-Body Handling Kit, Stage 5, 450lb Front, 2" rear lowering-Black

Part Number: UPI-ABF809-2-B

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 5 Handling Kits ABF810-1-R

1968-1972 GM A-Body Handling Kit, Stage 5, 550lb Front, 1" rear lowering-Red

Part Number: UPI-ABF810-1-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Bolt-In Viking Front Coilover Kits A224-350S

Coilover Kit, Viking, Front, Double Adjustable, 350 lbs. Spring Rate, 0.0 to 3.0 in. Lowering, A Body, Chevy, Buick, Oldsmobile, Pontiac, Kit

Part Number: UPI-A224-350S

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Tubular Rear Sway Bars 4047-325-B

Sway Bars, Rear, Tubular, Steel, Black Powdercoated, Kit

Part Number: UPI-4047-325-B

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Rear Drag Sway Bars 4045-325-R

Sway Bar, Drag, Rear, Hollow, 4140 Chromoly, Red, 1.375 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-4045-325-R

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-4

Coilover, Rear, Adjustable Shocks, 175 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-4

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Front Sway Bars 4080-1-R

Sway Bars, Front, Steel, Red Powdercoated, 1.250 in. Diameter, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-4080-1-R

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Front Sway Bars 2680-R

Sway Bars, Front, Steel, Red Powdercoated, 1.250 in. Diameter, Chevrolet, Pontiac, Kit

Part Number: UPI-2680-R

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-6

Coilover, Rear, Adjustable Shocks, 250 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-6

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-1

Coilover, Rear, Adjustable Shocks, 175 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-1

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Rear Double Adjustable Lower Control Arms 4023CM-B

Control Arms, Tubular, Adjustable, Steel, Black Powdercoated, Pair

Part Number: UPI-4023CM-B

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Front Adjustable Upper A-Arms 4056-3-R

Control Arms, Tubular, Steel, Red Powdercoated, Buick, Chevy, Pontiac, Pair

Part Number: UPI-4056-3-R

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 4038-R

Control Arms, Rear Lower, Tubular, Red Powdercoated, Steel, Pair

Part Number: UPI-4038-R

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

UMI Performance Corner Max Kits 406402-B

Suspension Package, Lowering, Coil Over, Shock/Struts, Sway Bars, Control Arms, Black, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-406402-B

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Corner Max Kits 406502-R

A-body Corner Max Kit- Race

Part Number: UPI-406502-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 4 Handling Kits ABF808-2-B

Suspension Handling Package, Stage 4, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-ABF808-2-B

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 5 Handling Kits ABF809-1-B

1968-1972 GM A-Body Handling Kit, Stage 5, 450lb Front, 1" rear lowering-Black

Part Number: UPI-ABF809-1-B

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 4 Handling Kits ABF808-1-R

Suspension Handling Package, Stage 4, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-ABF808-1-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Stage 3.5 Handling Kits ABF806-1-R

Suspension Handling Package, Stage 3.5, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-ABF806-1-R

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4057-250

Coilover Kit, 1964-72 GM A-Body, Rear, Bolt-In, Control Arm Relocation, Viking Double Adjustable Shocks, 250 lbs. Springs, AutoX / Road Racing, Kit

Part Number: UPI-4057-250

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

UMI Performance Front Sway Bars 4066-R

Sway Bars, Front, Solid, Steel, Red Powdercoated, 1.250 in. Diameter, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-4066-R

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

BUICK GS UMI Performance Parts and Accessories