OLDSMOBILE UMI Performance

UMI Performance Rear-End Housing Replacement Bushings 3000-B

UMI Performance Rear-End Housing Replacement Bushings 3000-B

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

Part Number: UPI-3000-B

4.87 out of 5 stars ( 30 )

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UMI Performance Adjustable Strut Tower Braces 3055-B

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

Part Number: UPI-3055-B

4.59 out of 5 stars ( 17 )

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

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

Part Number: UPI-4031-B

5.0 out of 5 stars ( 3 )

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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 Front Sway Bars 3035-R

Sway Bar, Red, Steel, Front, 1.25 in. Diameter, GM, G-Body, Each

Part Number: UPI-3035-R

4.5 out of 5 stars ( 8 )

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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 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 Rear Adjustable Upper Control Arms 4026-B

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

Part Number: UPI-4026-B

5.0 out of 5 stars ( 5 )

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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 )

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UMI Performance Lowering Springs 3050F

Lowering Springs, Front, Coil Type, Black Powdercoated, Chevy, Pontiac, Pair

Part Number: UPI-3050F

4.93 out of 5 stars ( 15 )

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UMI Performance Front Adjustable Upper A-Arms 3056-2-B

Front Upper A-arms, Adjustable, 1/2" Taller Ball Joints

Part Number: UPI-3056-2-B

4.0 out of 5 stars ( 2 )

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UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 401526-B

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

Part Number: UPI-401526-B

5.0 out of 5 stars ( 3 )

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

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

Part Number: UPI-302717-R

Not Yet Reviewed

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UMI Performance Rear Drag Sway Bars 3045-300-R

Sway Bar, Drag, Rear, Red Powdercoated, 1 3/8 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-3045-300-R

5.0 out of 5 stars ( 1 )

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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 ( 8 )

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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 )

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UMI Performance Shock Tower Braces 4058-B

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

Part Number: UPI-4058-B

4.89 out of 5 stars ( 19 )

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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 )

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UMI Performance Stage 2.5 Handling Kits ABF804-15-B

68-'72 GM A-Body Handling Package, Stage 2.5, Viking Coilovers, Black, Kit

Part Number: UPI-ABF804-15-B

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2026 if ordered today

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Estimated Ship Date: Jun 12, 2026 if ordered today

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 )

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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 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 )

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UMI Performance Stage 3 Handling Kits ABF405-1-B

65-66 GM A-Body Handling Kit, 1 in. lowering, Stage 3- Black 4 BOX KIT

Part Number: UPI-ABF405-1-B

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

UMI Performance Rear Drag Sway Bars 4045-300-B

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

Part Number: UPI-4045-300-B

4.0 out of 5 stars ( 2 )

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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 )

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OLDSMOBILE UMI Performance Parts and Accessories