Car & Truck Chassis & Suspension Parts

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...

Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...

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Results 1 - 25 of 232

Detroit Speed Power Steering Boxes 090215DS

Steering Boxes, Power Assist, Front Steer, Cast Iron, 12.7:1 Ratio, 3/4 in. 30-spline Input Shaft Spline Size, Buick, Chevy, GMC, Olds, Pontiac, Each

Part Number: DSR-090215DS

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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UMI Performance Lowering Springs 4051

UMI Performance Lowering Springs 4051

Lowering Springs, Front and Rear, Coil Type, Black Powdercoated, Buick, Chevy, GMC, Olds, Pontiac, Set of 4

Part Number: UPI-4051

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Lares New Steering Gears 11276

Steering Box, New, Manual, 16:1 Ratio, 4 Turns Lock-to-Lock, Cast Iron, Gray, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: LSC-11276

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Prothane Radiator Bushings 7-1712-BL

Bushings, Radiator Support, polyurethane, Black, Chevy, Oldsmobile, Pontiac, Big Block, Set of 4

Part Number: PTP-7-1712-BL

4.46 out of 5 stars ( 37 )

Estimated Ship Date: Today

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Hotchkis Sport Suspension 1.5 Street Performance Series Shock by FOX Kits 79020002

Shocks/Struts, Hotchkis by FOX 1.5 Street Performance Series, Monotube, Gas Charged, Buick, Chevy, Olds, Pontiac, Set of 4

Part Number: HSS-79020002

4.8 out of 5 stars ( 10 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

BMR Lowering Springs SP030R

Lowering Springs, 1.0 in. Front, 1.0 in. Rear, Red Powdercoated, Buick, Chevy, GMC, Olds, Pontiac, Set of 4

Part Number: BMR-SP030R

4.2 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Prothane Radiator Bushings 7-1712

Bushings, Radiator Support, Red, Polyurethane, Chevy, GMC, Oldsmobile, Pontiac, Car, Pickup, Set of 4

Part Number: PTP-7-1712

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Hotchkis Sport Suspension Lowering Coil Springs 1916

Lowering Springs, Front and Rear, Gray, Buick, Chevy, GMC, Oldsmobile, Pontiac, Set of 4

Part Number: HSS-1916

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hotchkis Sport Suspension Lowering Coil Springs 19115

Lowering Springs, Front, Rear, Gray Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Set of 4

Part Number: HSS-19115

Not Yet Reviewed

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QA1 Rear Trailing Arms 5205

Trailing Arms, Boxed, Rear, Lower, Steel, Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-5205

4.89 out of 5 stars ( 27 )

Estimated Ship Date: Today

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QA1 Rear Trailing Arms 5248

Trailing Arms, Adjustable, Rear, Upper, Aluminum/Steel, Red Anodized, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: QA1-5248

4.7 out of 5 stars ( 20 )

Estimated Ship Date: Today

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QA1 Rear Trailing Arms 5236

TRAILING ARMS, LOWER, ADJUSTABLE, 64-77 GM A-BODY

Part Number: QA1-5236

Not Yet Reviewed

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UMI Performance Rear Adjustable Upper Control Arms 4025-B

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

Part Number: UPI-4025-B

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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UMI Performance Rear Double Adjustable Lower Control Arms 4043-B

Control Arms, Double Adjustable, Rear Lower, Steel, Black Powdercoated, Buick, Chevy, GMC, Oldsmobile, Pontiac

Part Number: UPI-4043-B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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UMI Performance Rear Adjustable Upper and Non-Adjustable Lower Control Arm Kits 401525-B

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

Part Number: UPI-401525-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ridetech R-joint Control Arm Bushings 11227299

Control Arm Bushing, Steel, Natural GM, A Body, G Body, Kit

Part Number: ART-11227299

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Ridetech Ridepro E5 Air Ride Suspension Control Airpod Dual Compressor Systems 30514100

Suspension Control System, AirPod, RidePro E5, 5-Gallon Tank, Dual Compressor, 1/4 in. Valve, Digital 4-Corner Readout, 12 V, Kit

Part Number: ART-30514100

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Prothane Rear Control Arm Bushings 7-225-BL

Control Arm Bushings, Rear, Polyurethane, Black, AMC, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: PTP-7-225-BL

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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UMI Performance Rear Double Adjustable Lower Control Arms 4027-B

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

Part Number: UPI-4027-B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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UMI Performance Rear Adjustable Lower Control Arms 4014-B

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

Part Number: UPI-4014-B

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Today

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UMI Performance Rear Adjustable Upper Control Arms 4017-B

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

Part Number: UPI-4017-B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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UMI Performance Corner Max Front Lower Race A-Arms 4062-B

Control Arms, Corner Max, Tubular, Steel, Black, Front Lower, Delrin Bushings, Buick, Chevrolet, Oldsmobile, Pontiac, Pair

Part Number: UPI-4062-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Lares Remanufactured Steering Gears 972

Steering Box, Remanufactured, Power Assist, Fast 10:1 Ratio, IROC Internals, 4-Bolt Mount, Front Steer, OE Turn Radius, AMC, GM, Jeep, Each

Part Number: LSC-972

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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UMI Performance Front Adjustable Upper A-Arms 4056-3-B

Control Arms, Tubular, Steel, Black Powdercoated, Buick, Chevy, Pontiac, Pair

Part Number: UPI-4056-3-B

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

UMI Performance Rear Adjustable Lower Control Arms 4014-R

Control Arms, Tubular, Rear, Lower, Steel, Red Powdercoated, Chevy, Buick, Oldsmobile, Pontiac, Pair

Part Number: UPI-4014-R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

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