GMC UMI Performance - Free Shipping on Orders Over $109 at Summit Racing

UMI Performance Front Adjustable Upper A-Arms 4056-1-B

UMI Performance Front Adjustable Upper A-Arms 4056-1-B

Control Arms, Tubular, Steel, Black, Front Upper, Adjustable, Buick, Chevrolet, Oldsmobile, Pontiac, Pair

Part Number: UPI-4056-1-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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UMI Performance Lowering Springs 4050

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

Part Number: UPI-4050

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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

Estimated Ship Date: Tomorrow

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UMI Performance Bolt-In Viking Rear Coilover Kits 4057-225

Coilover Kit, Bolt-In Viking Rear Coilover Kit, Rear, Adjustable Valving, Twin-tube Shocks, Springs, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: UPI-4057-225

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

UMI Performance Rear Axle Flip Kits 6410

Flip Kit, 6.0 in. Drop, Designed for 3 in. Axle Tubes, with Brackets, Plates, U-bolts, Stops, and Hardware, Steel, Black Powdercoated, Chevy, GMC, Kit

Part Number: UPI-6410

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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UMI Performance Stage 2 Handling Kits ABF803-2-B

68-72 GM A-Body Handling Kit, 2" Lowering, Stage 2- Black

Part Number: UPI-ABF803-2-B

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

UMI Performance Front Sway Bars 3833-B

Sway Bar, Front, 4140 Chromoly Steel, Black Powdercoated, Solid, 32mm Diameter, Chevy, GMC, Kit

Part Number: UPI-3833-B

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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UMI Performance Front Sway Bars 6440-R

Sway Bars, Front, Steel, Red Powdercoated, Hollow, 1.375 in. Diameter, Chevrolet, GMC, Kit

Part Number: UPI-6440-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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UMI Performance Heavy-Duty Engine Mounts 90058

Engine Mounts, Heavy Duty, Block Mount, Bolt-In, Steel, Black Powdercoated, Chevy, Pontiac, Small Block, Kit

Part Number: UPI-90058

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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UMI Performance Driveshaft Safety Loops 4500-B

Drive Shaft Loop, Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: UPI-4500-B

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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UMI Performance Coilover Bracket Kits 3054

Coilover Mounts, Rear, Steel, Black, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-3054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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UMI Performance A/C Heater Delete Panels 3030-B

A/C Heater Delete Panel, Aluminum, Black Powdercoated, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: UPI-3030-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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UMI Performance Rear Non-Adjustable Lower Control Arms 4024-B

Control Arms, Rear Lower, Non-Adjustable, Boxed, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: UPI-4024-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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UMI Performance Complete Front End Kit 403256-3-B

Control Arms, Tubular, Steel, Black, Front Upper/Lower, Buick, Chevy, Oldsmobile, Pontiac, Tall Design, Kit

Part Number: UPI-403256-3-B

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

UMI Performance Tie Rod Adjusting Sleeves 2102

Tie Rod Sleeves, Aluminum, Natural, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: UPI-2102

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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GMC UMI Performance Parts and Accessories