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

UMI Performance Stage 5 Handling Kits ABF809-2-R

UMI Performance Stage 5 Handling Kits ABF809-2-R

1968-1972 GM A-Body Handling Kit, Stage 5, 450lb Front, 2" rear lowering-Red

Part Number: UPI-ABF809-2-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 4 Handling Kits ABF807-1-B

Suspension Package, Stage 4 Handling, Coil Springs, Shocks/Struts, Sway Bars, Buick, Chevy, Olds, Pontiac, Kit

Part Number: UPI-ABF807-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 4 Handling Kits ABF808-1-B

Suspension Handling Package, Stage 4, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-ABF808-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 3.5 Handling Kits GBF035-1-B

78-88 GM G-Body Handling Kit, 1" lowering, Stage 3.5- Black

Part Number: UPI-GBF035-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 2.5 Handling Kits ABF804-3-R

GM A-Body Handling Package, GM A-Body Handling Package

Part Number: UPI-ABF804-3-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Corner Max Kits 406403-B

A-body Corner Max Kit- Race

Part Number: UPI-406403-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 4 Handling Kits GBF005-1-R

Suspension Handling Package, Stage 4, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF005-1-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 4 Handling Kits GBF004-1-R

Suspension Handling Package, Stage 4, Red Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF004-1-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 3 Handling Kits GBF003-2-B

Suspension Handling Package, Stage 3, Black Powdercoated, 2 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF003-2-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 3 Handling Kits GBF003-2-R

Suspension Handling Package, Stage 3, Red Powdercoated, 2 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF003-2-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 1 Handling Kits GBF001-1-R

Suspension Handling Package, Stage 1, Red Powdercoated, 1 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF001-1-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 2 Handling Kits GBF002-1-R

Suspension Handling Package, Stage 2, Red Powdercoated, 1 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF002-1-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 1.5 Handling Kits GBF015-1-B

Suspension Handling Package, Stage 1.5, Black Powdercoated, 1 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF015-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 1.5 Handling Kits GBF015-2-B

Suspension Handling Package, Stage 1.5, Black Powdercoated, 2 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF015-2-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Drag Sway Bars 4045-325-B

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

Part Number: UPI-4045-325-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Front Adjustable Upper A-Arms 4056-2-R

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

Part Number: UPI-4056-2-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Tubular Rear Sway Bars 4047-325-R

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

Part Number: UPI-4047-325-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 4038-B

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

Part Number: UPI-4038-B

4.67 out of 5 stars ( 3 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

UMI Performance Stage 3.5 Handling Kits GBF035-1-R

78-88 GM G-Body Handling Kit, 1" lowering, Stage 3.5- Red

Part Number: UPI-GBF035-1-R

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

UMI Performance Fuel Tank Mounting Straps and Adapters 6429

Fuel Tank Relocation Brackets, 6429 – 1973-1987 GM C10 Fuel Tank Relocation Brackets, Add-On

Part Number: UPI-6429

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

UMI Performance Anti-Roll Bars 3067-R

Sway Bar, Front, Solid, Steel, Red, 1 5/16 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-3067-R

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

UMI Performance Stage 1 Handling Kits 6401-R

Handling Kit, Stage 1, Chevy, GMC, Red,Kit

Part Number: UPI-6401-R

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 Suspension Lowering Kits GBF250-2

78-88 GM G-Body Shock/Spring Lowering Kit, Double Adj. Shocks 250 front spring rate, 2" rear drop

Part Number: UPI-GBF250-2

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 Coilover Kits A204-550R

Viking Coil Over Kit, Front Double Adjustable, Poly, '73-'77 GM A-Body, '78-'88 GM G-Body, '82-'03 S10/S15, 550lb Spring

Part Number: UPI-A204-550R

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 Coilover Kits A224-250R

Viking Coil Over Kit, Front Double Adjustable, Bearing, '73-'77 GM A-Body, '78-'88 GM G-Body, '82-'03 S10/S15, 250lb Spring

Part Number: UPI-A224-250R

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

GMC UMI Performance Parts and Accessories