1987 GMC UMI Performance - Free Shipping on Orders Over $109 at Summit Racing

UMI Performance Suspension Lowering Kits 6400-1

Lowering Kit, Spindles, Coils Springs, Flip Kit, Shocks, 4.5 in. Front, 6 in. Rear, Chevy, GMC, Kit

Part Number: UPI-6400-1

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

UMI Performance Shock Mounts 6436

Shock Mount Bracket

Part Number: UPI-6436

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

UMI Performance Coilover Bracket Kits 3062

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

Part Number: UPI-3062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Street Performance Control Arms 6432-B

Suspension Control Arm

Part Number: UPI-6432-B

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Stage 4 Handling Kits GBF005-2-B

UMI Performance Stage 4 Handling Kits GBF005-2-B

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

Part Number: UPI-GBF005-2-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

QA1 Level 1 Big Wheel Kits BW01-GMG1

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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UMI Performance Coilover Kits A224-550R

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

Part Number: UPI-A224-550R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Front Adjustable Upper A-Arms for 1982-2003 S10, 1982-1990 S15, 1991-2003 SONOMA - 3056-2-R

Control Arms, Tubular, Steel, Red, Front Upper, 1/2 in. Taller Ball Joints, Delrin Bushings, Chevrolet, GMC, Pair

Part Number: UPI-3056-2-R

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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UMI Performance Corner Max Kits 306201-R

G-Body Corner Max kit, Race

Part Number: UPI-306201-R

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

UMI Performance Competition Front End Kits 3059-4-B

Front End Kit, Competition, 1978-88 GM G-Body, 1982-2003 S10/S15, Black Control Arms, Coilovers, 850 lbs. Springs, Race, Kit

Part Number: UPI-3059-4-B

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

UMI Performance Body Repair Washers 6480

Body Mount Hardware, Body Mount Washers, Steel, Natural, Front Core Support, Front Cab Mount, Rear Cab Mount, Set of 6

Part Number: UPI-6480

Not Yet Reviewed

Estimated Ship Date: Today

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UMI Performance Corner Max Kits 643546-B

Control Arms, CornerMax, Front, Upper and Lower, Tubular, Black Powdercoated, Steel, Chevy, GMC, Kit

Part Number: UPI-643546-B

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Corner Max Kits 643546-R

Control Arms, CornerMax, Front, Upper and Lower, Tubular, Red Powdercoated, Steel, Chevy, GMC, Kit

Part Number: UPI-643546-R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Stage 2 Handling Kits 6402-R

Handling Kit, Stage 2, Chevy, GMC, Red, Kit

Part Number: UPI-6402-R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Stage 1.5 Handling Kits GBF015-1-R

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

Part Number: UPI-GBF015-1-R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Stage 1 Handling Kits GBF001-2-R

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

Part Number: UPI-GBF001-2-R

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits GBR024-B

1978-1988 GM G-Body Pro-Touring Rear Suspension Kit-Black

Part Number: UPI-GBR024-B

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits GBR024-R

1978-1988 GM G-Body Pro-Touring Rear Suspension Kit-Red

Part Number: UPI-GBR024-R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

BMR Suspension Rear Suspension Packages RSK469H

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026

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UMI Performance Coilover Kits A204-250R

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

Part Number: UPI-A204-250R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Front Non-Adjustable Upper A-Arms 3033-1-B

Control Arms, Non-adjustable, Front Upper A-arms, Tubular, Steel, Black Powdercoated, Pair

Part Number: UPI-3033-1-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Street Performance Control Arms 6433-1-B

Control Arms, Front Upper A-Arms, 1/2 in. Tall Ball Joint, Tubular, Steel, Black Powdercoated, Delrin® Bushings, Chevy, GMC, Pair

Part Number: UPI-6433-1-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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UMI Performance Front Non-Adjustable Upper A-Arms 3033-R

A-Arms, Front Upper, Tubular, Bushings, Red Powdercoated, Steel, GM, Pair

Part Number: UPI-3033-R

Not Yet Reviewed

Estimated Ship Date: Today

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UMI Performance 1978-88 GM G-Body Brake Conversion Kits 304647

Brake hub, Aluminum, C5/C6 Brake Conversion Hubs, Bearings, Brackets, Kit

Part Number: UPI-304647

Not Yet Reviewed

Estimated Ship Date: Today

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UMI Performance Solid Rear Sway Bars 6443-R

Sway Bars, Rear, Steel, Red Powdercoated, Solid, 1.000 in. Diameter, Chevrolet, GMC, Kit

Part Number: UPI-6443-R

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

UMI Performance Replacement Control Arm Bolts 3012

Control Arm Bolts, Upper, Lock Nuts, Kit

Part Number: UPI-3012

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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UMI Performance 1978-88 GM G-Body Brake Conversion Brackets 3046

Disc Brake Kit Components, 1978-1988 GM G-Body, C5/C6 Front Brake Conversion Brackets, Pair

Part Number: UPI-3046

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

1987 GMC UMI Performance Parts and Accessories