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UMI Performance Shock Mounts 4057

UMI Performance Shock Mounts 4057

Shock Mounts, Coilover Shock Mount Type, Steel, Black, A-body, Rear, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-4057

Not Yet Reviewed

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UMI Performance Replacement Control Arm Bolts 4002

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

Part Number: UPI-4002

4.52 out of 5 stars ( 25 )

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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 )

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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 )

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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 )

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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 )

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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 )

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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 )

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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 )

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UMI Performance Front Sway Bars 4067-B

Sway Bars, Front, Solid, Steel, Black Powdercoated, 1.313 in. Diameter, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-4067-B

Not Yet Reviewed

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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 )

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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 )

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UMI Performance Suspension Lowering Kits SS103051

Suspension Lowering Kit, 1.00 in. Drop Front, 2.00 in. Drop Rear, Coil Springs, Shocks/Struts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-SS103051

Not Yet Reviewed

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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 )

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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 )

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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 )

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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 )

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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 )

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UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 401517-B

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

Part Number: UPI-401517-B

5.0 out of 5 stars ( 3 )

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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 )

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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 )

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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: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

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 )

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UMI Performance Front Bump Steer Adjuster Kits 4060

Bump Steer Kit, Adjustable, Aluminum Tube, Black Anodized, Spacers, Tie Rod Ends, Chevrolet, Pontiac, Buick, Oldsmobile, Kit

Part Number: UPI-4060

4.5 out of 5 stars ( 2 )

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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 )

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PONTIAC GTO UMI Performance Parts and Accessories