BUICK UMI Performance Chassis & Suspension - Free Shipping on Orders Over $109 at Summit Racing

UMI Performance Lowering Springs 3051F

UMI Performance Lowering Springs 3051F

Lowering Springs, Front, Coil Type, 2.00 in. Lowered Range, Buick, Chevrolet, Oldsmobile, Pontiac, Pair

Part Number: UPI-3051F

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Adjustable Upper Control Arms 4037-R

Control Arms, Adjustable, Boxed, Rear Upper, Steel, Red Powdercoated, GM A-Body, Kit

Part Number: UPI-4037-R

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Non-Adjustable Lower Control Arms 3015-B

A-Arms, Rear Lower, Tubular, Black Powdercoated, Steel, Pair

Part Number: UPI-3015-B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits ABR401-B

Control Arms, Rear Lower/Upper, Tubular, Black Powdercoated, Steel, Kit

Part Number: UPI-ABR401-B

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Replacement Control Arm Bolts 3001

Control Arm Bolts, Rear Upper/Lower, Lock Nuts, Kit

Part Number: UPI-3001

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Replacement Control Arm Bolts 3013

Control Arm Bolts, Upper and Lower, Lock Nuts, Kit

Part Number: UPI-3013

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Control Arms and Sway Bar Kits ABR413-R

Complete Rear Suspension Kit

Part Number: UPI-ABR413-R

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

UMI Performance A-Body Frame Rail Braces 2654-R

Frame Rail Brace, Steel, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: UPI-2654-R

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Adjustable Strut Tower Braces 3055-R

Strut Braces, Rear Upper, Red Powdercoated, Steel, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: UPI-3055-R

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Front Non-Adjustable Lower A-Arms 4031-R

Control Arms, Tubular, Steel, Red, Front Lower, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: UPI-4031-R

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 4015-R

Control Arms, Tubular, Rear, Lower, Steel, Red Powdercoated, Chevy, Buick, Oldsmobile, Pontiac, Kit

Part Number: UPI-4015-R

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Non-Adjustable Upper Control Arms 4016-B

Control Arms, Tubular, Rear, Upper, Steel, Black Powdercoated, Chevy, Buick, Oldsmobile, Pontiac, Pair

Part Number: UPI-4016-B

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Adjustable Upper Control Arms 402500-B

Control Arms, Tubular, Rear, Upper, Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: UPI-402500-B

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Adjustable Lower Control Arms 5016-B

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

Part Number: UPI-5016-B

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Shock Tower Braces 4059-B

Shock and Strut Braces, Shock Tower Braces, Steel, Black Powdercoated, Rear Upper, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-4059-B

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Control Arm Relocation Brackets 4012-B

Control Arm Relocation Brackets, Rear Lower, Black Powdercoated, Bolt-On, Steel, Kit

Part Number: UPI-4012-B

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Non-Adjustable Lower Control Arms 4042-B

Control Arms, Boxed, Rear Lower, Steel, Black Powdercoated, GM A-Body, Kit

Part Number: UPI-4042-B

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Double Adjustable Lower Control Arms 3027-R

A-Arms, Rear Lower, Tubular, Red Powdercoated, Steel, Pair

Part Number: UPI-3027-R

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Adjustable Upper and Lower Control Arm Kits 401417-R

Control Arms, Tubular, Rear, Upper/Lower, Steel, Red Powdercoated, Chevy, Buick, Oldsmobile, Pontiac, Kit

Part Number: UPI-401417-R

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Front Sway Bars 2680-B

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

Part Number: UPI-2680-B

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

UMI Performance Stage 2 Handling Kits ABF803-1-B

Suspension Package, Stage 2 Handling, Lowering, Coil Springs, Shocks/Struts, Sway Bars, Buick, Chevy, Kit

Part Number: UPI-ABF803-1-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Coilover Kits A225-350R

Viking Coil Over Kit, Front Double Adjustable, Bearing, '70-'81 GM F-Body, '78-'96 GM B-Body, 350lb Spring

Part Number: UPI-A225-350R

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today

UMI Performance Stage 2.5 Handling Kits GBF025-R

Suspension Handling Package, Stage 2.5, Red Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF025-R

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Front Sway Bars 3668-R

Sway Bar, Front, Fixed Type, 1.125 in. Diameter, Solid Steel, Red Powdercoated, with Hardware, Chevy, Kit

Part Number: UPI-3668-R

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

UMI Performance Rear Adjustable Upper Control Arms 3017-B

A-Arms, Rear Upper, Fully Adjustable, Black Powdercoated, Chromoly, Pair

Part Number: UPI-3017-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025