1978 UMI Performance - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

UMI Performance Extended Length Lower Control Arms 3621-B

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

Part Number: UPI-3621-B

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Extended Length Lower Control Arms 3621-R

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

Part Number: UPI-3621-R

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3024-B

UMI Performance Rear Non-Adjustable Lower Control Arms 3024-B

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

Part Number: UPI-3024-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Adjustable Lower Control Arms 3014-R

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

Part Number: UPI-3014-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Control Arm Relocation Brackets 3048

Control Arm Relocation Brackets, Coil-Over, Rear Lower, Black Powdercoated, Bolt-In, Steel, Kit

Part Number: UPI-3048

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3042-B

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

Part Number: UPI-3042-B

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Disc Brake Kit Components 3047

1978-1988 GM G-Body C5/C6 Brake Conversion Hubs & Bearing Kit

Part Number: UPI-3047

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3021-B

A-Arms, Rear Lower, Boxed, Bushings, Black Powdercoated, Steel, Pair

Part Number: UPI-3021-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 28, 2026 if ordered today

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Estimated Ship Date: May 28, 2026 if ordered today

UMI Performance Solid Rear Sway Bars 3634-R

Sway Bar, Rear, Steel, Red Powdercoated, Solid, 1 1/8 in. Diameter, Chevy, Each, Kit

Part Number: UPI-3634-R

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Extended Length Lower Control Arms 3622-R

Control Arms, Extended Length Rear Lower, Boxed, Steel, Red, Polyurethane/Spherical Bearing Bushings, Chevy, Pair

Part Number: UPI-3622-R

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 Rear Non-Adjustable Lower Control Arms 3040-B

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

Part Number: UPI-3040-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Spindles CP4S4

Lowering Spindle, 2.5" drop

Part Number: UPI-CP4S4

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3024-R

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

Part Number: UPI-3024-R

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3615-R

Control Arms, Rear Lower, Boxed, Bushings, Red Powdercoated, Steel, Pair

Part Number: UPI-3615-R

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3040-R

Control Arms, Rear Lower, Tubular, Red Powdercoated, Steel, Kit

Part Number: UPI-3040-R

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

UMI Performance 1979-98 Ford Mustang Rear Lift Bars 1025-R

Control Arms, Lift Bars, Red, Ford, Pair

Part Number: UPI-1025-R

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 Stage 1 Ford Mustang Strip Grip Kits 102500-R

Control Arms, Strip Grip Kit, Lift Bars, Lower Torque Box Reinforcements, Red, Ford, Kit

Part Number: UPI-102500-R

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 Rear Non-Adjustable Lower Control Arms 3042-R

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

Part Number: UPI-3042-R

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 Rear Non-Adjustable Lower Control Arms 3615-B

Control Arms, Rear Lower, Boxed, Bushings, Black Powdercoated, Steel, Pair

Part Number: UPI-3615-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

UMI Performance Adjustable Extended Length Lower Control Arms for 1991-1996 CAPRICE, 1994-1996 IMPALA - 3614-B

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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1978 UMI Performance Parts and Accessories