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 201

URO Parts Coil Spring Shims 33531094518

Coil Spring Spacers, Shim, Standard Replacement, Rear Left or Right, BMW, Each

Part Number: URO-011186

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

BDS Suspension Pinion Angle Leaf Spring Shims BDS228013

Pinion Angle Shims, BDS Suspension Pinion Angle Leaf Spring Shims, 4 Degrees, Aluminum, 3.0 in Wide, Sold as a Pair

Part Number: BDX-BDS228013

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Rock Jock Coil Spring Shims for 2020-2023 GLADIATOR, 2018-2024 WRANGLER - RJ-107100-3

JL/JT Front Coil Spring Shim, Axle Side, 1/4 in. thick

Part Number: RKJ-RJ-107100-3

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

Ridetech Steel Leaf Spring Kits for 1963-1982 CORVETTE - 11534899

Leaf Spring, Rear, Steel, Black, Stock/Lowered, Bushing Included, Chevy, Each

Part Number: ART-11534899

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

URO Parts Coil Spring Spacers 33531091924

Coil Spring Shim 1997-2003 BMW 525i 01-03, 528i 97-00, 530i 01-03, 540i 97-03, Coil Spring Shim Rear Upper

Part Number: URO-014884

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

Rock Jock Coil Spring Spacers RJ-107400-1

JL Rear Coil Spring Shim, Axle Side, 3/16 in. thick

Part Number: RKJ-RJ-107400-1

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

Ridetech Steel Leaf Spring Kits for 1963-1982 CORVETTE - 11534898

Leaf Spring, Rear, Steel, Black, Stock, Chevy, Each

Part Number: ART-11534898

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rough Country Air Spring Kits for 2014-2024 2500, 2014-2022 3500 - 10029

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-6 in of Lift, Rear, Ram, Kit

Part Number: ROU-10029

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Western Chassis Pinion Angle Shim Kits 2054

Pinion Angle Shim Kit, Aluminum, 4 degrees, 2.00 in. Width, Kit

Part Number: WST-2054

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rough Country Air Spring Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - 10005

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, Stock, Rear, Chevy, GMC, Kit

Part Number: ROU-10005

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits 10011

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-6 in. of Lift, Rear, Chevy, GMC, Kit

Part Number: ROU-10011

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits for 2005-2016 F-250 SUPER DUTY, F-350 SUPER DUTY - 10020C

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 3-6 in of Lift, Air Compressor, Rear, Ford, Kit

Part Number: ROU-10020C

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

SPC Performance Pinion Angle Shims 10405

SPC Performance Pinion Angle Shims 10405

Pinion Shims, Aluminum, .5 Degree, 2.5 in. Wide, Set of 6

Part Number: SPS-10405

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rough Country Air Spring Kits for 2019-2025 1500 - 10035

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, Stock Height, Rear, Ram, Kit

Part Number: ROU-10035

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits for 2005-2016 F-250 SUPER DUTY, F-350 SUPER DUTY - 10023

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, Stock Height, Rear, Ford, Kit

Part Number: ROU-10023

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits 10007

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-7.5 in of Lift, Rear, Chevy, GMC, Kit

Part Number: ROU-10007

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits for 2007-2018 SIERRA 1500, SILVERADO 1500 - 10005C

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-6 in. of Lift, Air Compressor, Rear, Chevy, GMC, Kit

Part Number: ROU-10005C

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits for 2014-2024 2500 - 10029WC

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-6 in. of Lift, Air Compressor, Wireless Remote, Rear, Ram, Kit

Part Number: ROU-10029WC

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

SPC Performance Pinion Angle Shims 10412

Pinion Shims, Aluminum, 1 Degree, 2.5 in. Wide, Set of 6

Part Number: SPS-10412

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rough Country Air Spring Kits for 2005-2016 F-250 SUPER DUTY, F-350 SUPER DUTY - 10020

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 3-6 in of Lift, Rear, Ford, Kit

Part Number: ROU-10020

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits for 2011-2023 1500, 2019-2023 1500 CLASSIC, 2009-2010 RAM 1500 - 10032

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, Stock Height, Rear, Dodge, Ram, Kit

Part Number: ROU-10032

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Superlift Degree Shims 006

Degree Shims, 6 Degree, 2 in. x 4.75 in., Aluminum, Contoured, Pair

Part Number: SLF-006

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Rough Country Air Spring Kits for 2015-2020 F-150 - 10017

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-6 in. of Lift, Rear, Ford, Kit

Part Number: ROU-10017

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits for 2011-2023 1500, 2019-2023 1500 CLASSIC, 2009-2010 RAM 1500 - 100324

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 4 in. of Lift, Rear, Dodge, Ram, Kit

Part Number: ROU-100324

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rough Country Air Spring Kits 100074WC

Air Spring Helper Kit, 5,000 lbs. Maximum Safe Load, 0-7.5 in. of Lift, Air Compressor, Wireless Remote, Rear, Chevy, GMC, Kit

Part Number: ROU-100074WC

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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