Car & Truck Chassis & Suspension Parts

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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...

Showing All Items, Including Not in Stock Items That Match "4140"

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Results 1 - 25 of 744

McGaughy's M84 Reservoir Shocks 4140

Shock Absorber, M84, Monotube, Remote Reservoir, Rear, 10-12 in. Lift, Chevy, GMC, Each

Part Number: MMC-4140

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Helix Brake Line Tab Kits HEXBLT1

Mounting Tabs, Brake Line, 0.625 in. hole Diameter, Tabs, Clips, Kit

Part Number: HLI-414044

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Beck/Arnley Ball Joints for 1982-1986 CELICA, 1980-1988 CRESSIDA - 101-4140

Ball Joint, Lower, Each

Part Number: BCK-101-4140

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Quadboss Suspension Springs 414060

Coilover Spring, Suspension, Black Powdercoated, Polaris, Each

Part Number: QDB-41-4060

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Quadboss Ball Joint Kits 414071

Ball Joint, Yamaha, Front Lower, ATV, Each

Part Number: QDB-41-4071

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Quadboss A-Arm Upgrade Kits 414038

A-Arm Upgrade Kit, Kawasaki, Front, ATV, Kit

Part Number: QDB-41-4038

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Quadboss Suspension Handling Packages 414068

QBOSS RR INDEPEND SUPS KIT

Part Number: QDB-41-4068

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Quadboss Swingarm Repair Kits 414067

Swingarm Bearing, Repair Kit, for use on Honda®, ATV, Kit

Part Number: QDB-41-4067

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Eibach Sportline Lowering Springs for 2013 FOCUS - 4.14035

Eibach Sportline Lowering Springs for 2013 FOCUS - 4.14035

Lowering Springs, Sportline, Front and Rear, Red Powdercoated, Ford, Set of 4

Part Number: EIB-414035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

KYB Strut-Plus Assemblies for 2003-2011 CROWN VICTORIA, GRAND MARQUIS, TOWN CAR - SR4140

Strut Assembly, Strut-Plus, Gas Charged, Each

Part Number: KYB-SR4140

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Rough Country Forged Control Arms for 2021-2025 F-150 - 41400

Control Arms, Forged, Front, Upper, Lifted, Aluminum, Silver Powdercoated, Ford, Pair

Part Number: ROU-41400

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ReadyLift Suspension Leveling & Big Lift Control Arms for 2004-2024 F-150 - 67-21640

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Quadboss Ball Joint Kits 414069

Ball Joint, Bombardier, Can-Am, Front, ATV, Each

Part Number: QDB-41-4069

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Quadboss Powersports Coilover Springs 414061

QBOSS SUSPENSION SPRINGS

Part Number: QDB-41-4061

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Rough Country - Control Arms for 2021-2025 F-150 - 41400RED

Red Forged Upper Control Arms 3 Inch Lift Ford F-150 4WD (2021-2025)

Part Number: ROU-41400RED

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

MasterCraft Limit Straps 414004

Suspension Travel Limiters, Limit Strap - Quad layer, tab ends with 9/16" hole, Black, Length - 14"

Part Number: MST-414004

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

Hellwig Anti-Sway Bars for 2011-2024 1500, 2009-2010 RAM 1500 - 7709

Sway Bar, Rear, Solid, 4140 Chromoly, Gray Hammertone Powdercoated, 0.875 in. Diameter, Dodge, Ram, Kit

Part Number: HEL-7709

4.9 out of 5 stars ( 40 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hellwig Big Wig Sway Bars for 2017-2025 F-250 SUPER DUTY, F-350 SUPER DUTY - 7320

Sway Bar, Rear, Solid, 4140 Chromoly, Gray Hammertone Powdercoated, 1.313 in. Diameter, Ford, Kit

Part Number: HEL-7320

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

ADS Race Bypass Shocks 250-BP414-0P1

Shock Absorber, Bypass Shock, 4 Tubes Style 1, Piggyback Reservoir, 37.78 in. Extended, 23.79 in. Compressed, 14 in. Stroke, Each

Part Number: ADZ-250BP4140P1

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

ADS Race Bypass Shocks 300-BP414-0P1

Shock Absorber, Bypass Shock, 4 Tubes, Style 1, Piggyback Reservoir, 38.49 in. Extended, 24.46 in. Compressed, 14.04 in. Stroke, Each

Part Number: ADZ-300BP4140P1

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

ADS Race Bypass Shocks 300-BP414-0R1

Shock Absorber, Bypass Shock, 4 Tubes, Style 1, Remote Reservoir, 38.49 in. Extended, 24.46 in. Compressed, 14.04 in. Stroke, Each

Part Number: ADZ-300BP4140R1

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

ADS Race Bypass Shocks 250-BP414-0P2

Shock Absorber, Bypass Shock, 4 Tubes Style 2, Piggyback Reservoir, 37.78 in. Extended, 23.79 in. Compressed, 14 in. Stroke, Each

Part Number: ADZ-250BP4140P2

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

ADS Race Bypass Shocks 300-BP414-0R2

Shock Absorber, Bypass Shock, 4 Tubes, Style 2, Remote Reservoir, 38.49 in. Extended, 24.46 in. Compressed, 14.04 in. Stroke, Each

Part Number: ADZ-300BP4140R2

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

Energy Suspension Body Mount Bushings 3.4140G

Body Mount Bushings, Polyurethane, Black, Chevy, GMC, Set

Part Number: ENS-3-4140G

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Estimated Ship Date: Jun 2, 2026 if ordered today

UMI Performance Front Sway Bars for 1982-1992 CAMARO, FIREBIRD - 2117-R

Sway Bar, Front, 4140 Chromoly, Red Powdercoated, Solid, 35mm Diameter, Chevrolet, Pontiac, Kit

Part Number: UPI-2117-R

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Hellwig Anti-Sway Bars for 1966-1977 BRONCO - 7864

Sway Bar, Front, Solid, 4140 Chromoly, Gray Hammertone Powdercoated, 1.125 in. Diameter, Ford, 0-2 in. Lift, Kit

Part Number: HEL-7864

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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