PONTIAC GRAND PRIX Chassis & Suspension - Free Shipping on Orders Over $109 at Summit Racing

UMI Performance Suspension Lowering Kits GBF450-1

UMI Performance Suspension Lowering Kits GBF450-1

78-88 GM G-Body Shock/Spring Lowering Kit, Double Adj. Shocks 450 front spring rate, 1" rear drop

Part Number: UPI-GBF450-1

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

UMI Performance Suspension Lowering Kits GBF450-2

78-88 GM G-Body Shock/Spring Lowering Kit, Double Adj. Shocks 450 front spring rate, 2" rear drop

Part Number: UPI-GBF450-2

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

UMI Performance Suspension Lowering Kits GBF550-1

78-88 GM G-Body Shock/Spring Lowering Kit, Double Adj. Shocks 550 front spring rate, 1" rear drop

Part Number: UPI-GBF550-1

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

UMI Performance Suspension Lowering Kits GBF550-2

78-88 GM G-Body Shock/Spring Lowering Kit, Double Adj. Shocks 550 front spring rate, 2" rear drop

Part Number: UPI-GBF550-2

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2025 if ordered today

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Estimated Ship Date: Dec 3, 2025 if ordered today

Detroit Speed Rear Speed 1 Kits 042107DS

Rear Speed Kit 1, 78-88 G-Body

Part Number: DSR-042107DS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Detroit Speed Swivel-Link Control Arms 042104DS

Control Arms, Swivel-Link, Rear, Tubular, Adjustable, Steel, Black Powdercoated, Buick, Chevy, Pontiac, Set

Part Number: DSR-042104DS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

Detroit Speed Swivel-Link Control Arms 042105DS

Control Arms, Swivel-Link, Rear, Tubular, Adjustable, Steel, Black Powdercoated, Buick, Chevy, Pontiac, Set

Part Number: DSR-042105DS

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-6

Coilover, Rear, Adjustable Shocks, 250 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-6

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-1

Coilover, Rear, Adjustable Shocks, 175 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-1

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-4

Coilover, Rear, Adjustable Shocks, 175 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-4

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-5

Coilover, Rear, Adjustable Shocks, 225 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-5

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

UMI Performance 1964-72 GM A-Body Rear Coilover Kits 4069-3

Coilover, Rear, Adjustable Shocks, 250 lbs. Springs, 1964-72 GM A-Body, Kit

Part Number: UPI-4069-3

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

UMI Performance Bolt-In Viking Rear Coilover Kits 3065-110

Coilover Kit, 1978-88 GM G-Body, Rear, Bolt-In, Control Arm Relocation, Viking Double Adjustable Shocks, 110 lbs. Springs, Drag, Kit

Part Number: UPI-3065-110

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

UMI Performance Stage 1.5 Handling Kits GBF015-2-R

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

Part Number: UPI-GBF015-2-R

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

BMR GM W-Body Suspension Handling Packages CSP010H

Suspension Package, Lower Control Arms, Strut Tower Bars, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMR-CSP010H

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

BMR GM W-Body Suspension Handling Packages CSP010R

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025

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UMI Performance Stage 1 Handling Kits GBF001-1-B

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

Part Number: UPI-GBF001-1-B

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 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: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

UMI Performance Stage 1 Handling Kits GBF001-2-B

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

Part Number: UPI-GBF001-2-B

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

UMI Performance Bolt-In Viking Rear Coilover Kits 4057-150

Coilover Kit, 1964-72 GM A-Body, Rear, Bolt-In, Control Arm Relocation, Viking Double Adjustable Shocks, 125 lbs. Springs, AutoX / Road Racing, Kit

Part Number: UPI-4057-150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today