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UMI Performance Control Arm Reinforcement Brace Kits 4029-B

UMI Performance Control Arm Reinforcement Brace Kits 4029-B

Control Arm Reinforcements, Upper/Lower Rear, Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-4029-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Non-Adjustable Lower Control Arms 4041-B

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

Part Number: UPI-4041-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Replacement Control Arm Bolts 4004

Control Arm Bolts, Hex Nuts, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-4004

3.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Tubular Rear Sway Bars 4047-300-B

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

Part Number: UPI-4047-300-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Lowering Springs 4051F

Lowering Springs, Front, Coil Type, Black Powdercoated, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: UPI-4051F

4.31 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits ABR801-R

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

Part Number: UPI-ABR801-R

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Adjustable Upper Control Arms 4037-B

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

Part Number: UPI-4037-B

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance A-Body Frame Rail Braces 4063-B

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

Part Number: UPI-4063-B

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits 401516-R

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

Part Number: UPI-401516-R

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 401525-B

Control Arms, Rear Lower, Adjustable, Tubular, Black Powdercoated, Steel, Kit

Part Number: UPI-401525-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Roto-Joint Rear-End Housing Bushings 2999

Bushings, Replacement, Differential Position, Billet Aluminum/Steel, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-2999

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Shock Tower Braces 4058-R

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

Part Number: UPI-4058-R

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Tie Rod Adjusting Sleeves 2104

Tie Rod Sleeves, Aluminum, Natural, Pair

Part Number: UPI-2104

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Lowering Springs 4052

Lowering Springs, Front and Rear, 1 in. Lowering, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Set

Part Number: UPI-4052

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Lowering Springs 4052R

Lowering Springs, Rear, 1 in. Lowering, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: UPI-4052R

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Control Arm Reinforcement Brace Kits 4028-R

Control Arm Mount Braces, Bolt-On, Adjustable, Steel, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: UPI-4028-R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear-End Housing Replacement Bushings 3000-R

Differential Housing Mount Bushings, Red, Polyurethane, GM, Pair

Part Number: UPI-3000-R

4.82 out of 5 stars ( 28 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Non-Adjustable Lower Control Arms 402416-B

Control Arms, Rear, Tubular/Boxed, Steel, Black Powdercoated, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-402416-B

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Adjustable Upper Control Arms 4039-B

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

Part Number: UPI-4039-B

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Boxed Lower and Adjustable Upper Control Arm Kits 402126-B

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

Part Number: UPI-402126-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Coil Spring Spacers 90064

Coil Spring Spacers, Rear Only, Steel, Zinc Coated, Buick, Chevy, Oldsmobile, Pontiac, Set of 6

Part Number: UPI-90064

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

UMI Performance Rear Non-Adjustable Upper Control Arms 4018-B

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

Part Number: UPI-4018-B

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air