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...

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Results 1 - 25 of 27

UMI Performance Replacement Control Arm Bolts 4004

UMI Performance Replacement Control Arm Bolts 4004

Control Arm Bolts, Hex Nuts, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: UPI-4004

3.81 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Summit Racing™ Traction Bar U-Bolt Kits SUM-SM4004

Traction Bar U-Bolts, 3-1/2 in. Center to Center, 3/8-24 in. Thread, Grade 5, Zinc Plated, Kit

Part Number: SUM-SM4004

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Old Man Emu Coil Springs for 2016-2023 TACOMA - 4004

COIL SPRING FRONT PAIR

Part Number: EMU-4004

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Competition Engineering Front Motor Plates C4004

Motor Plate, Front, Aluminum, 0.250 in. Thick, Chevy, Small Block, Each

Part Number: CEE-4004

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Steeda Rear Control Arm Bushings for 1979-1998 MUSTANG - 555-4004

Control Arm Bushing, Rear, Upper, Polyurethane, Ford, Kit

Part Number: SDA-555-4004

3.33 out of 5 stars ( 3 )

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Progressive Suspension FST Touring Fork Monotube Kits 31-4004

Fork Cartridge Kit, Touring with F.S.T., Monotube, Stock Height, Harley-Davidson®, Kit

Part Number: PGR-31-4004

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1989-1994 PICKUP - 4004L-AP

Suspension Lift Kit, Rear, Leaf Springs, Bilstein Shocks, Toyota, Kit

Part Number: AOF-4004L-AP

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1985-1988 4RUNNER, 1979-1988 PICKUP - 4004E-AP

Suspension Lift Kit, Rear, Leaf Springs, Shocks, Toyota, Kit

Part Number: AOF-4004E-AP

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1989-1994 PICKUP - 4004L-AP-6

Suspension Lift Kit, Rear, Leaf Springs, Bilstein Shocks, Toyota, Kit

Part Number: AOF-4004L-AP-6

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Crown Automotive Spindle Nuts 4004816K

Spindle Nuts, Lockwasher, Manual, Front, Dana 44, Jeep, Kit

Part Number: CWA-4004816K

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1989-1994 PICKUP - 4004L-AP-5

Suspension Lift Kit, Rear, Leaf Springs, Bilstein Shocks, Toyota, Kit

Part Number: AOF-4004L-AP-5

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1985-1988 4RUNNER, 1979-1988 PICKUP - 4004E-AP-5

Suspension Lift Kit, Rear, Leaf Springs, Bilstein Shocks, Toyota, Kit

Part Number: AOF-4004E-AP-5

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Superlift Level-It Systems for 2005-2023 TACOMA - 40045

Suspension Lift, Level-It System, Front, Toyota, Kit

Part Number: SLF-40045

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

VIAIR Heavy-Duty ADA Air Compressor Systems 40049

Air Compressor, 2.54 cfm, 26 Amps, 12 V DC, 100 psi Maximum Working Pressure, Each

Part Number: VAR-40049

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Superlift Level-It Systems for 2005-2023 TACOMA - 40046

Suspension Lift, Level-It System, Front, Toyota, Kit

Part Number: SLF-40046

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1985-1988 4RUNNER, 1979-1988 PICKUP - 4004E-AP-6

Suspension Lift Kit, Rear, Leaf Springs, Bilstein Shocks, Toyota, Kit

Part Number: AOF-4004E-AP-6

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Monroe Specialty Shock Absorbers for 2007-2014 ESCALADE ESV, SUBURBAN 1500, YUKON XL 1500 - 40048

Shock/Strut, Specialty, Cadillac, Front, Each

Part Number: MON-40048

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Monroe Specialty Shock Absorbers 40049

Shock/Strut, Specialty, Cadillac, Front, Each

Part Number: MON-40049

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

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Estimated Ship Date: May 20, 2026 if ordered today

Superlift Level-It Systems for 2012-2018 1500, 2019-2022 1500 CLASSIC - 40044

Suspension Lift, Level-It System, Front, Dodge, Ram, Kit

Part Number: SLF-40044

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Superlift Level-It Systems for 2011-2018 1500, 2019-2021 1500 CLASSIC, 2009-2010 RAM 1500 - 40043

Suspension Lift, Level-It System, Front and Rear, Dodge, Ram, Kit

Part Number: SLF-40043

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Superlift Level-It Systems for 2019-2025 1500 - 40041

Leveling kit 2 inch, Ram 1500, 2 in. Front Lift, Kit

Part Number: SLF-40041

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Superlift Level-It Systems for 2019-2025 SIERRA 1500, SILVERADO 1500 - 40040

Suspension Lift, Level-It System, Front, Chevy, GMC, Kit

Part Number: SLF-40040

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Superlift Level-It Systems for 2004-2024 TITAN - 40047

Suspension Lift, Level-It System, Front, for Nissan, Kit

Part Number: SLF-40047

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

VIAIR Heavy-Duty ADA Air Compressor Systems 40041

SYSTEM W/ JK BRKT

Part Number: VAR-40041

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

IHC Suspension Suspension Lowering Kits IHC-F4004-CK

Lowering Kit, 4/6", 2015-2020 F150 2wd Ext/Crew Cab

Part Number: IHC-IHC-F4004-CK

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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