1984 PONTIAC GRAND-PRIX UMI Performance

UMI Performance Lowering Springs 3051

UMI Performance Lowering Springs 3051

Lowering Springs, Front and Rear, Coil Type, 2.00 in. Lowered Range Front, 2.00 in. Lowered Range Rear, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: UPI-3051

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Front Sway Bars 3035-B

Sway Bar, Black, Steel, Front, 1.25 in. Diameter, GM, G-Body, Kit

Part Number: UPI-3035-B

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits 301516-B

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

Part Number: UPI-301516-B

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Transmission Crossmembers 3108-R

Transmission Crossmember

Part Number: UPI-3108-R

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 7, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Transmission Crossmembers SUM-770301

4.75 out of 5 stars ( 47 )

Estimated Ship Date: Today

...Loading

UMI Performance Rear Adjustable Upper and Lower Control Arm Kits 301417-B

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

Part Number: UPI-301417-B

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Front and Rear Sway Bar Kits 303534-R

Sway Bars, Red Powdercoated, Steel, Front 1 1/4 in./Rear 1 in. Diameters, GM, Kit

Part Number: UPI-303534-R

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Drag Sway Bars 3045-300-B

Sway Bar, Drag, Rear, Black Powdercoated, 1 3/8 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-3045-300-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Front Sway Bars 3035-R

Sway Bar, Red, Steel, Front, 1.25 in. Diameter, GM, G-Body, Each

Part Number: UPI-3035-R

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits 301516-R

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

Part Number: UPI-301516-R

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Front Reinforcement Braces 3053-B

Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Black Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-B

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

UMI Performance Front Reinforcement Braces 3053-R

5 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

UMI Performance Front and Rear Sway Bar Kits 303534-B

Sway Bars, Black, Steel, Front 1 1/4 in./Rear 1 in. Diameters, GM, Kit

Part Number: UPI-303534-B

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow if ordered today

...Loading

Estimated Ship Date: Tomorrow if ordered today

Need It Sooner? We recommend these similar substitute parts:

UMI Performance Front and Rear Sway Bar Kits 303534-R

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

UMI Performance Rear Double Adjustable Lower Control Arms 3043-B

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

Part Number: UPI-3043-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Transmission Crossmembers 3108-B

Transmission Crossmember

Part Number: UPI-3108-B

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 9, 2025 if ordered today

UMI Performance Rear Adjustable Upper Control Arms 3037-B

Control Arms, Adjustable, Rear Upper, Steel, Black Powdercoated, GM G-Body, Pair

Part Number: UPI-3037-B

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Adjustable Metric Trailing Arms ALL57824

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

...Loading

UMI Performance 12-Bolt Swap Adjustable Upper Control Arms 3039-B

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

Part Number: UPI-3039-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Front Reinforcement Braces 3053-R

Chassis Stiffeners, Front Reinforcement Braces, Front Lower Position, Steel, Red Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: UPI-3053-R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Adjustable Lower Control Arms 3014-B

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

Part Number: UPI-3014-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Lowering Springs 3050

Lowering Springs, Front/Rear, Coil Type, Black Powdercoated, Buick, Chevrolet, Oldsmobile, Pontiac, Set of 4

Part Number: UPI-3050

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 301517-B

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: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Drag Sway Bars 3045-300-R

Sway Bar, Drag, Rear, Red Powdercoated, 1 3/8 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-3045-300-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Pro-Tour Style Sway Bars 3044-300-R

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

Part Number: UPI-3044-300-R

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 301517-R

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

Part Number: UPI-301517-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

UMI Performance Rear Non-Adjustable Upper and Lower Control Arm Kits 301516-B

5 out of 5 stars ( 9 )

Estimated Ship Date: Today

...Loading

UMI Performance Rear Double Adjustable Lower Control Arms 2017-B

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

Part Number: UPI-2017-B

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

UMI Performance Rear Double Adjustable Lower Control Arms 2017-R

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

Part Number: UPI-2017-R

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

UMI Performance Rear Adjustable Upper and Lower Control Arm Kits 301417-R

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

Part Number: UPI-301417-R

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

1984 PONTIAC GRAND-PRIX UMI Performance Parts and Accessories