OLDSMOBILE UMI Performance Chassis & Suspension - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

UMI Performance Front and Rear Sway Bar Kits 303534-B

UMI Performance Front and Rear Sway Bar Kits 303534-B

Sway Bars, Black, Steel, Front 1 1/4 in./Rear 1 in. Diameters, GM, Kit

Part Number: UPI-303534-B

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

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

Part Number: UPI-401516-B

4.92 out of 5 stars ( 24 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Complete Front End Kit 403233-1-B

Control Arms, Tubular, Steel, Black, Front Upper/Lower, 1/2 in. Taller Ball Joints GM, A-Body, Kit

Part Number: UPI-403233-1-B

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Adjustable Upper and Lower Control Arm Kits 301417-B

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

Part Number: UPI-301417-B

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Double Adjustable Upper and Lower Control Arm Kits 302717-B

A-Arms, Rear Upper/Lower, Tubular, Bushings, Black Powdercoated, Steel, Kit

Part Number: UPI-302717-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Double Adjustable Lower Control Arms 4043-B

Control Arms, Double Adjustable, Rear Lower, Steel, Black Powdercoated, Buick, Chevy, GMC, Oldsmobile, Pontiac

Part Number: UPI-4043-B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Control Arms and Sway Bar Kits ABR813-R

Suspension Package, Rear, Control Arms, Steel, Red Powdercoated, Sway Bar, Buick, Chevy, Olds, Pontiac, Kit

Part Number: UPI-ABR813-R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Lowering Springs 4050F

Coil Springs, Front, Lowering, 1 in., Non-Progressive, 530 lbs. Linear Rate, 5160 Wire, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: UPI-4050F

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Stock Height Springs 4048R

Stock Height Springs, Coil, Buick, Chevrolet, Oldsmobile, Pontiac, Rear, Pair

Part Number: UPI-4048R

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Frame Notch Kits 3061

Frame Rails, Rear Frame Notches, GM G-Body, 1/8 in., Laser Cut, Sold as a Kit

Part Number: UPI-3061

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Bolt-In Viking Front Coilover Kits 3058-650

Coilover Kit, 1978-88 GM G-Body, 1982-2003 S-10/S-15, Front, Bolt-In, Viking Double Adjustable Shocks, 650 lbs. Springs, Street, Kit

Part Number: UPI-3058-650

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits 301516-R

A-Arms, Rear Upper/Lower, Tubular, Black Powdercoated, Steel, Kit

Part Number: UPI-301516-R

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

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

Part Number: UPI-ABR801-B

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Lowering Springs 3051

Lowering Springs, Front and Rear, Coil Type, 2.00 in. Lowered Range Front, 2.00 in. Lowered Range Rear, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-3051

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Rear Adjustable Upper Control Arms 4025-B

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

Part Number: UPI-4025-B

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

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

Part Number: UPI-4015-B

4.94 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Lowering Springs 4050R

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

Part Number: UPI-4050R

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Bolt-In Viking Rear Coilover Kits 4071

Coilover kit, Relocation, 1968-1972 GM A-Body Complete Coilover Kit, Relocation

Part Number: UPI-4071

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Control Arm Reinforcement Brace Kits 4028-B

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

Part Number: UPI-4028-B

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Front Sway Bars 3035-B

Sway Bar, Black, Steel, Front, 1.25 in. Diameter, GM, G-Body, Kit

Part Number: UPI-3035-B

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Complete Front End Kit 303133-R

1982-2003 S-10/S-15 Tubular Front Upper & Lower A-Arm Kit-Red

Part Number: UPI-303133-R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance GM A-Body LSX Engine Mounts 4008-R

Motor Mounts, Complete Mount, Bolt-In, Steel, Red Powdercoated, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, LSX, Kit

Part Number: UPI-4008-R

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Front Reinforcement Braces 3053-B

Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Black Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-B

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

UMI Performance Solid Rear Sway Bars 3034-R

Sway Bars, Rear, Steel, Red Powdercoated, 1 in. Diameter, Buick, Chevy, Oldsmodile, Pontiac, Kit

Part Number: UPI-3034-R

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air