1978 UMI Performance Chassis & Suspension

Lowering Kit, Coil Springs, 2 in. Front, 2 in. Rear, UMI Shocks, Chevrolet, Pontiac, Kit

Part Number: UPI-SS103051G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Suspension Blocks, Leaf Spring Lower Blocks, GM F-Body, 0.75 in. Thick, Aluminum, Black Finish, includes U-bolts, Washers, Nuts, Chevy, Pontiac, Pair

Part Number: UPI-2621-1

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: UPI-3056-2-B

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Front End Kit, Competition, 1978-88 GM G-Body, 1982-2003 S10/S15, Black Control Arms, Coilovers, 650 lbs. Springs, Street, Kit

Part Number: UPI-3059-3-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Control Arm Bolts, Rear Upper/Lower, Lock Nuts, Kit

Part Number: UPI-3603

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Brackets, Sway Bar Mount, Steel, Black, Chevy, Kit

Part Number: UPI-3636

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: UPI-3025-B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Leaf Spring Mount, Rear Spring Forward Mount, Steel, Black Powdercoated, Chevrolet, Pontiac, Kit

Part Number: UPI-2624-B

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Estimated Ship Date: May 18, 2026 if ordered today

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Control Arms, Extended Length Rear Lower, Boxed, Steel, Black, Polyurethane Bushings, Chevy, Pair

Part Number: UPI-3621-B

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Estimated Ship Date: May 18, 2026 if ordered today

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Differential Housing Mount Bushings, 1978-96 B-Body, Red, Polyurethane, GM, Pair

Part Number: UPI-3600-R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Sway Bar Brackets, Steel, Black, Front, Stock Height, Chevy, GMC, Pair

Part Number: UPI-6444

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Control Arms, Rear Upper/Lower, Tubular/Boxed, Bushings, Red Powdercoated, Steel, Kit

Part Number: UPI-361517-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Sway Bars, Steel, Black, Front 1 3/8 in./Rear 1 1/8 in. Diameters, Polyurethane Bushings, Chevy, Kit

Part Number: UPI-363534-B

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: UPI-6440-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: UPI-5016-B

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Control Arms, Tubular, Ball Joints, Steel, Red, Front, Chevy, GMC, Kit

Part Number: UPI-303133-1-R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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A-Arms, Rear Lower, Tubular, Black Powdercoated, Steel, Pair

Part Number: UPI-3014-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: UPI-301517-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Sway Bar, Rear, Steel, 3/4 in., Black Powdercoated, Solid Mounts and Endlinks, Chevy, Pontiac, Kit

Part Number: UPI-2635-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Sway Bar, Front, Fixed Type, 1.125 in. Diameter, Solid Steel, Red Powdercoated, with Hardware, Chevy, Kit

Part Number: UPI-3668-R

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Control Arm Bolts, Lower, Lock Nuts, Kit

Part Number: UPI-3011

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Control Arms, Rear Lower, Boxed, Black Powdercoated, Steel, Kit

Part Number: UPI-3041-B

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Control Arms, GM F-Body Front Lower A-Arm Kits, Tubular, Steel, Black, Front Lower, Buick, Chevrolet, Pontiac, Pair

Part Number: UPI-2652-B

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Estimated Ship Date: May 18, 2026 if ordered today

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Traction Bars, GM F-Body, Black Powdercoated, with "Herb Adams Mod" 3/4 in. Brackets, Chevrolet, Pontiac, Kit

Part Number: UPI-262824-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Control Arms, Rear Lower/Upper, Tubular, Black Powdercoated, Steel, Kit

Part Number: UPI-501619-B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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