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Chassis & Suspension

Car & Truck Chassis & Suspension Parts

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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...

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 suspension mounts and bushings.

Showing In Stock Items. Show All 48 Items.

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Results 1 - 25 of 38

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02MLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02MLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02MLSB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over Stock 5x4.5 Manual LH Rack No Xmember

Part Number: HLI-9030119

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02MLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02MLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02MLDB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over 2" Drp 5x475 Manual LH Rack No Xmember

Part Number: HLI-9030117

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02MLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02MLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02MLDB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over 2" Drp 5x4.5 Manual LH Rack No Xmember

Part Number: HLI-9030118

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND03PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND03PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND03PLSB

Front Suspension Kit, 34-40 Nash Car Mustang II IFS AirBag Stock 5x4.5 Power LHD Rack No Crossmember

Part Number: HLI-9030126

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND01PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND01PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND01PLSB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Shx Thru Coil Stock 5x45 Power LH Rack No Xmember

Part Number: HLI-9030121

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02PLSB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over Stock 5x4.5 Power LHD Rack No Xmember

Part Number: HLI-9030159

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE01PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE01PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE01PLDB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Shx Thru Coil 2" Drp 5x475 Pwr LH Rack No Xmember

Part Number: HLI-9030123

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE01PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE01PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE01PLSB

Front Suspension Kit, 34-40 Nash Car Mustang II IFS Shock Thru Coil 5x475 Power LHD Rack No Xmember

Part Number: HLI-9030120

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND02PLDB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over 2" Drp 5x4.5 Power LH Rack No Xmember

Part Number: HLI-9030158

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND03PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND03PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND03PLDB

Front Suspension Kit, 34-40 Nash Car Mustang II IFS AirBag 2" Drop 5x4.5 Power LHD Rack No Crossmember

Part Number: HLI-9030125

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE03PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE03PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE03PLSB

Front Suspension Kit, 34-40 Nash Car Mustang II IFS AirBag Stock 5x4.75 Power LHD Rack No Crossmember

Part Number: HLI-9030127

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND01PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND01PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMEND01PLDB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Shx Thru Coil 2" Drp 5x45 Pwr LH Rack No Xmember

Part Number: HLI-9030122

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02MLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02MLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02MLSB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over Stock 5x4.75 Manual LH Rack No Xmember

Part Number: HLI-9030116

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02PLSB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02PLSB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over Stock 5x4.75 Power LH Rack No Xmember

Part Number: HLI-9030156

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE02PLDB

Front Suspension Kit, 34-40 Nash Car Mustang 2 IFS Coil Over 2" Drp 5x4.75 Power LH Rack No Xmember

Part Number: HLI-9030157

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE03PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE03PLDB

Helix Mustang II IFS Suspension Packages HEXIFSMOMENE03PLDB

Front Suspension Kit, 34-40 Nash Car Mustang II IFS AirBag 2" Drop 5x4.75 Power LHD Rack No Xmember

Part Number: HLI-9030124

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Summit Racing™ Drag Shocks and Struts SUM-722008

Summit Racing™ Drag Shocks and Struts SUM-722008

Summit Racing™ Drag Shocks and Struts SUM-722008

Shocks, Drag Race, 50/50 Series, Stock Ride Height, 20.580 in. Extended Length, Rear, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-722008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Air Lift WirelessAir 2nd Generation On-Board Air Compressor EZ Mount Systems 74000EZ

Air Lift WirelessAir 2nd Generation On-Board Air Compressor EZ Mount Systems 74000EZ

Air Lift WirelessAir 2nd Generation On-Board Air Compressor EZ Mount Systems 74000EZ

On-Board Air Compressor, WirelessAir, EZ Mount, Wireless Control, Kit

Part Number: AIR-74000EZ

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Drag Shocks and Struts SUM-722004

Summit Racing™ Drag Shocks and Struts SUM-722004

Summit Racing™ Drag Shocks and Struts SUM-722004

Shocks, Drag Race, 70/30 Series, Stock Ride Height, 13.440 in. Extended Length, Front, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-722004

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Aldan American Nighthawk Series Coilover Kits 7000188

Aldan American Nighthawk Series Coilover Kits 7000188

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

Aldan American Nighthawk Series Coilover Kits 7000188

Coilover Kit, Nighthawk Series, Front/Rear, Double Adjustable, Black, 450 lbs./in. Front, 140 lbs./in. Rear, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: AAX-7000188

Not Yet Reviewed

Estimated Ship Date: Today

    • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

    Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

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Estimated Ship Date: Today

Aldan American Nighthawk Series Coilover Kits 7000187

Aldan American Nighthawk Series Coilover Kits 7000187

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

Aldan American Nighthawk Series Coilover Kits 7000187

Coilover Kit, Nighthawk Series, Front/Rear, Single Adjustable, Black, 550 lbs./in. Front, 160 lbs./in. Rear, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: AAX-7000187

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

    • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

    Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

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Estimated Ship Date: May 4, 2026 if ordered today

Aldan American Nighthawk Series Coilover Kits 7000190

Aldan American Nighthawk Series Coilover Kits 7000190

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

Aldan American Nighthawk Series Coilover Kits 7000190

Coilover Kit, Nighthawk Series, Front/Rear, Single Adjustable, Black Anodized, 700 lbs./in. Front, 200 lbs./in. Rear, Buick, Chevy, Olds, Pontiac, Kit

Part Number: AAX-7000190

Not Yet Reviewed

Estimated Ship Date: Today

    • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

    Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

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Estimated Ship Date: Today

Aldan American Nighthawk Series Coilover Kits 7000192

Aldan American Nighthawk Series Coilover Kits 7000192

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

Aldan American Nighthawk Series Coilover Kits 7000192

Coilover Kit, Nighthawk Series, Front/Rear, Double Adjustable, Black Anodized, 700 lbs./in. Front, 200 lbs./in. Rear, Buick, Chevy, Olds, Pontiac, Kit

Part Number: AAX-7000192

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

    • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

    Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

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Estimated Ship Date: May 4, 2026 if ordered today

Aldan American Nighthawk Series Coilover Kits 7000186

Aldan American Nighthawk Series Coilover Kits 7000186

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 4/30/2026

Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

Aldan American Nighthawk Series Coilover Kits 7000186

Coilover Kit, Nighthawk Series, Front/Rear, Single Adjustable, Black, 450 lbs./in. Front, 140 lbs./in. Rear, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: AAX-7000186

Not Yet Reviewed

Estimated Ship Date: Today

    • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 4/30/2026

    Get 10% back after rebate on select Aldan American purchases! For details go to: https://aldanamerican.com/deals/rebate/

    Get 10% back after rebate on qualifying Aldan American product purchases! Go to https://aldanamerican.com/deals/rebate/ for complete details. Valid on purchases made between 3/1/26 and 4/30/26 only. Must submit claim within 30 days of product ship date. Allow 8-10 weeks for rebate processing. Valid in the 50 United States, its territories and Canada. Limit (2) qualifying purchases per household or address. Max $355 back.

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Estimated Ship Date: Today