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

UMI Performance Coilover Kits A225-450R

Viking Coil Over Kit, Front Double Adjustable, Bearing, '70-'81 GM F-Body, '78-'96 GM B-Body, 450lb Spring

Part Number: UPI-A225-450R

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

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: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance 1970-81 GM F-Body Front Lower A-Arm Kits 2651-B

UMI Performance 1970-81 GM F-Body Front Lower A-Arm Kits 2651-B

CONTROL ARM KIT Front Lower A-arms, Polyurethane Bushings

Part Number: UPI-2651-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 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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

UMI Performance 1970-81 GM F-Body Front Upper Adjustable A-Arm Kits 2656-B

CONTROL ARM KIT Upper A-arms, Front, Adjustable

Part Number: UPI-2656-B

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance Lowering Springs for 1970-1981 CAMARO, FIREBIRD - 262026

Lowering Spring, Rear, 2 in. Drop, 175 lbs./in. Spring Rate, Rear Shackles, Chevrolet, Pontiac, Pair

Part Number: UPI-262026

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance 1970-81 GM F-Body Front Upper A-Arm Kits 2653-B

CONTROL ARM KIT Upper A-arms, Front, Delrin Bushings

Part Number: UPI-2653-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 F-Body Frame Rail Braces for 1975-1981 CAMARO, FIREBIRD - 2658-R

Frame Rail Brace, Steel, Red Powdercoated, Chevy, Pontiac, Each

Part Number: UPI-2658-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance 1970-81 GM F-Body Rear Leaf Spring Traction Bar Kits for 1970-1981 CAMARO, FIREBIRD - 2628-B

1970-1981 GM F-Body Leaf Spring Traction Bars

Part Number: UPI-2628-B

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance On-Car Single Adjustable Panhard Bars 5022-B

Panhard Bar, Steel, Black Powdercoated, Each

Part Number: UPI-5022-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance 12-Bolt Swap Lower Control Arm/Adjustable Upper Control Arm Kits 301519-R

Control Arms, Adjustable, Rear Upper, Steel, Red Powdercoated, GM, Passenger Car, Kit

Part Number: UPI-301519-R

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance Rear Non-Adjustable Lower Control Arms 3627-B

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

Part Number: UPI-3627-B

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance Rear Adjustable Upper Control Arms 3628-R

Control Arms, Rear Upper, Adjustable, Tubular, Red Powdercoated, Steel, Pair

Part Number: UPI-3628-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 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 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Leaf Spring Shackles for 1967-1981 CAMARO, FIREBIRD - 2626

Leaf Spring Shackle, Rear, Delrib® Bushings, Red Powdercoated, Chevy, Pontiac, Kit

Part Number: UPI-2626

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance Replacement Control Arm Bolts for 1975-1981 CAMARO, FIREBIRD, 1999-2004 MUSTANG - 1003

Control Arm Bolts, Hex Nuts, Front Lower, Ford, Chevy, Pontiac, Kit

Part Number: UPI-1003

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance Control Arm Relocation Brackets 3610

Control Arm Relocation Bracket, Steel, Buick, Chevy, Pontiac, Rear Lower, Kit

Part Number: UPI-3610

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

UMI Performance Coil Spring Spacers 90063

Rear Spring Spacer, 3/16"

Part Number: UPI-90063

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

UMI Performance Street Performance Control Arms 6433-B

Suspension Control Arm

Part Number: UPI-6433-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

UMI Performance 1978-96 GM B-Body Rear Coilover Kits 3623-1

Coilover Kit, Bolt-In, Viking Double Adjustable Shocks, 200 lbs. Springs, Rear, Chevy, Kit

Part Number: UPI-3623-1

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

UMI Performance Stage 4 Handling Kits GBF005-2-R

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

Part Number: UPI-GBF005-2-R

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

UMI Performance Stage 2 Handling Kits GBF002-2-B

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

Part Number: UPI-GBF002-2-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air

UMI Performance Stage 4 Handling Kits GBF004-2-B

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

Part Number: UPI-GBF004-2-B

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Estimated Ship Date: Monday 3/16/2026 if shipped by air