1984 UMI Performance - 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: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

UMI Performance Coilover Kits A205-450R

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

Part Number: UPI-A205-450R

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

UMI Performance Stage 3.5 Handling Kits GBF035-2-R

Handling Kit, 2" Lowering, Stage 3.5- Red

Part Number: UPI-GBF035-2-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Tubular Rear Sway Bars 3052-300-B

1978-1988 GM G-Body Chassis Mounted Rear Sway Bar, Auto-x/Road Race, 3" Axle Tubes- Black

Part Number: UPI-3052-300-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Tubular Rear Sway Bars 3052-325-R

Sway Bars, Tubular, Rear, Solid, Steel, Red Powdercoated, 0.750 in. Diameter, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-3052-325-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Pro-Tour Style Sway Bars 3044-275-R

Sway Bar, Pro-Tour, Rear, Red Powdercoated, 1 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-3044-275-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Bolt-In Viking Rear Coilover Kits 3054-2

Coilover Kit, Rear, Lowering, Double Adjustable Shocks, 150 lbs./in. Street Springs, Buick, Chevy, Pontiac, Kit

Part Number: UPI-3054-2

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Viking Complete Coilover Kits 3071

Coilover Kit, Front and Rear, Bolt-In, Viking Double Adjustable Shocks, 450 lbs. Springs, Trailing Arm Relocation Brackets, Buick, Chevy, Pontiac, Kit

Part Number: UPI-3071

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 3 Handling Kits GBF003-1-B

Suspension Handling Package, Stage 3, Black Powdercoated, 1 in. Drop, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-GBF003-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 4 Handling Kits GBF004-1-B

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

Part Number: UPI-GBF004-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 4 Handling Kits GBF004-2-R

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

Part Number: UPI-GBF004-2-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 2.5 Handling Kits 64025-B

Handling Kit, Stage 2.5, Chevy, GMC, Black, Kit

Part Number: UPI-64025-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Adjustable Lower Control Arms with Offset Bushings 2017OFCM-R

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

Part Number: UPI-2017OFCM-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Street Performance Control Arms 643233-1-B

Control Arms, Non-adjustable, Front Upper and Lower A-arms, 1/2 in. Taller Upper Ball Joint, Tubular, Steel, Black Powdercoated, Chevy, GMC, Kit

Part Number: UPI-643233-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Stage 3.5 Handling Kits 64035-B

Handling Kit, Stage 3.5, Chevy, GMC, Black, Kit

Part Number: UPI-64035-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Control Arms and Panhard Bar Kits for 1982-2002 CAMARO, FIREBIRD - 203538CM-B

Rear Suspension Package, Control Arms, Roto-Joint, Rear Lower, Tubular, Adjustable Panhard Bar, Chromoly, Black Powdercoated, Kit

Part Number: UPI-203538CM-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Control Arms and Panhard Bar Kits for 1982-2002 CAMARO, FIREBIRD - 201723-B

Control Arms, Double Adjustable, Rear Lower, Tubular, Bushings Black Powdercoated, Steel, Kit

Part Number: UPI-201723-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Control Arms and Panhard Bar Kits for 1982-2002 CAMARO, FIREBIRD - 201723CM-R

Control Arms, Double Adjustable, Rear Lower, Tubular, Bushings Red Powdercoated, Steel, Kit

Part Number: UPI-201723CM-R

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 302117-B

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

Part Number: UPI-302117-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Solid Rear Sway Bars 6443-B

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

Part Number: UPI-6443-B

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 21, 2026 if ordered today

UMI Performance Viking Double Adjustable Front Shock Absorbers B204

VIKING SHOCK

Part Number: UPI-B204

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 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: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Weight Jack Systems for 1982-2002 CAMARO, FIREBIRD - 2075-1-B

Lowering Kit, Weight Jack System, Rear, 175 lbs. Spring Rate, Black, Chevrolet, Pontiac, Kit

Part Number: UPI-2075-1-B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

...Loading

Estimated Ship Date: May 11, 2026 if ordered today

UMI Performance Rear Adjustable Upper Control Arms for 1979-2004 MUSTANG - 1017-R

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

Part Number: UPI-1017-R

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

UMI Performance - Suspension Torque Arm Brackets for 1982-1992 CAMARO, FIREBIRD - 2218AS-B

TORQUE ARM MOUNT

Part Number: UPI-2218AS-B

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 21, 2026 if ordered today

1984 UMI Performance Parts and Accessories