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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.

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Results 1 - 25 of 661

Borgeson New Delphi 600 Series Power Steering Boxes 800128

Made in the USA Borgeson New Delphi 600 Series Power Steering Boxes 800128

Borgeson New Delphi 600 Series Power Steering Boxes 800128

Steering Box, New Delphi 600 Series, Power, Front Steer, Cast Iron, Natural, Ford, Lincoln, Mercury, Each

Part Number: BRG-800128

3.94 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Borgeson 600 Power Steering Conversion Boxes 800106

Made in the USA Borgeson 600 Power Steering Conversion Boxes 800106

Borgeson 600 Power Steering Conversion Boxes 800106

Steering Box, Power Conversion, Chevy, Each

Part Number: BRG-800106

Not Yet Reviewed

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QA1 1988-98 C1500 Level 3 Front Coilover Conversion Systems 52613-D600

QA1 1988-98 C1500 Level 3 Front Coilover Conversion Systems 52613-D600

QA1 1988-98 C1500 Level 3 Front Coilover Conversion Systems 52613-D600

Coilover Conversion, Double Adjustable Shocks, 600 lb. Spring Rate, Upper and Lower Control Arms, Tubular, Black, 2-4 in. Drop, Chevy, GMC, Kit

Part Number: QA1-52613-D600

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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QA1 8 Inch Coil Spring 8MB600

QA1 8 Inch Coil Spring 8MB600

QA1 8 Inch Coil Spring 8MB600

Coilover Spring, Mustang II, 600 lbs./in. Rate, 8 in. Length, 3.50/2.50 in. I.D., Chrome Plated, Each

Part Number: QA1-8MB600

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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QA1 High-Travel 12 Inch Coilover Spring 12HT600

QA1 High-Travel 12 Inch Coilover Spring 12HT600

QA1 High-Travel 12 Inch Coilover Spring 12HT600

Coilover Spring, High Travel, 600 lbs./in. Rate, 12 in. Length, 2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-12HT600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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QA1 Pro 10 Inch Coilover Spring 10HTSP600

QA1 Pro 10 Inch Coilover Spring 10HTSP600

QA1 Pro 10 Inch Coilover Spring 10HTSP600

Coilover Spring, Pro, Pigtail Style, 600 lbs./in. Rate, 10 in. Length, 3.50/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTSP600

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Skyjacker Pitman Arms FA600

Skyjacker Pitman Arms FA600

Skyjacker Pitman Arms FA600

Pitman Arm, Steel, Ford, Bronco/F-Series Pickup, with Power Steering, 6-8 in. Lift

Part Number: SJA-FA600

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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QA1 High-Travel 10 Inch Coilover Spring 10HT600

QA1 High-Travel 10 Inch Coilover Spring 10HT600

QA1 High-Travel 10 Inch Coilover Spring 10HT600

Coilover Spring, High Travel, 600 lbs./in. Rate, 10 in. Length, 2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HT600

Not Yet Reviewed

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King Shocks 16 Inch Coilover Spring SPR3-16-600

King Shocks 16 Inch Coilover Spring SPR3-16-600

King Shocks 16 Inch Coilover Spring SPR3-16-600

Coilover Spring, 600 lbs./in. Rate, Blue Powdercoated, 3 in. I.D., 16 in. Length, Each

Part Number: KSS-SPR3-16-600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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QA1 Pro 10 Inch Coilover Spring 10HTSF600

QA1 Pro 10 Inch Coilover Spring 10HTSF600

QA1 Pro 10 Inch Coilover Spring 10HTSF600

Coilover Spring, Pro, Flat Style, 600 lbs./in. Rate, 10 in. Length, 3.50/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-10HTSF600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100, 1975-1979 F-150 - 52620-S600

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100, 1975-1979 F-150 - 52620-S600

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100, 1975-1979 F-150 - 52620-S600

Suspension Handling Package, Front, 3 in. to 5 in. Drop, Single Adjustable Coilover, 600 lbs./in. Spring Rate, Tubular Control Arms, Kit

Part Number: QA1-52620-S600

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100, 1975-1979 F-150 - 52620-S500

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100, 1975-1979 F-150 - 52620-S500

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Today

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QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52614-D600

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52614-D600

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52614-D600

Suspension Package, IFS, Front, 3 in. to 4 in. Drop, Double Adjustable Coilover, 600 lbs./in. Spring Rate, Tubular Arms, Dodge, Kit

Part Number: QA1-52614-D600

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

Aldan American 9 Inch Coil Spring 9-600BK2

Made in the USA Aldan American 9 Inch Coil Spring 9-600BK2

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 9 Inch Coil Spring 9-600BK2

Coilover Springs, 600 lbs./in. Rate, 2.50 in. I.D., 9.00 in. Length, Black, Pair

Part Number: AAX-9-600BK2

4.5 out of 5 stars ( 2 )

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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QA1 Pro 8 Inch Coilover Spring 8HTBF600

QA1 Pro 8 Inch Coilover Spring 8HTBF600

QA1 Pro 8 Inch Coilover Spring 8HTBF600

Coilover Spring, Pro, Flat Style, 600 lbs./in. Rate, 8 in. Length, 4.10/2.50 in. I.D., Silver Powdercoated, Each

Part Number: QA1-8HTBF600

Not Yet Reviewed

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Skyjacker Softride Lift Leaf Springs D600

Skyjacker Softride Lift Leaf Springs D600

Skyjacker Softride Lift Leaf Springs D600

Leaf Springs, Softride, Front, Dodge, Plymouth, Pair

Part Number: SJA-D600

Not Yet Reviewed

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QA1 High-Travel 12 Inch Coilover Spring 12HT600B

QA1 High-Travel 12 Inch Coilover Spring 12HT600B

QA1 High-Travel 12 Inch Coilover Spring 12HT600B

Coilover Spring, High Travel, 600 lbs./in. Rate, 12 in. Length, 2.50 in. I.D., Black Powdercoated, Each

Part Number: QA1-12HT600B

Not Yet Reviewed

Estimated Ship Date: Today

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QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52614-S600

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52614-S600

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52614-S600

Suspension Package, IFS, Front, 3 in. to 4 in. Drop, Single Adjustable Coilover, 600 lbs./in. Spring Rate, Tubular Arms, Dodge, Kit

Part Number: QA1-52614-S600

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

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100 - 52621-D600

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100 - 52621-D600

QA1 1965-79 F-100 Coilover Conversion Systems for 1965-1979 F-100 - 52621-D600

Suspension Handling Package, Front, 5 in. to 7 in. Drop, Double Adjustable Coilover, 600 lbs./in. Spring Rate, Tubular Control Arms, Kit

Part Number: QA1-52621-D600

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

Aldan American 8 Inch Coil Spring 8-600BK

Made in the USA Aldan American 8 Inch Coil Spring 8-600BK

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 8 Inch Coil Spring 8-600BK

Coilover Springs, 600 lbs./in. Rate, 2.50 in. I.D., 8.00 in. Length, Black, Each

Part Number: AAX-8-600BK

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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REKUDO Spindles for 1970-1981 CAMARO, FIREBIRD - RK600-02

REKUDO Spindles for 1970-1981 CAMARO, FIREBIRD - RK600-02

REKUDO Spindles for 1970-1981 CAMARO, FIREBIRD - RK600-02

Spindles, Front Left and Right, 1.00 in. Drop, Use with Rekudo Control Arms and JL8 Brake System, Steel, Black EDP, Chevy, Pontiac, Pair

Part Number: RKD-RK600-02

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Hyperco Helper Springs CS600

Hyperco Helper Springs CS600

Hyperco Helper Springs CS600

Coilover Springs, Helper Springs, Front or Rear, 2.50 in. I.D., 6.00 in. Length, Blue Powdercoated, Each

Part Number: HYC-CS600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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QA1 High-Travel 10 Inch Coilover Spring 10HT600B

QA1 High-Travel 10 Inch Coilover Spring 10HT600B

QA1 High-Travel 10 Inch Coilover Spring 10HT600B

Coilover Spring, High Travel, 600 lbs./in. Rate, 10 in. Length, 2.50 in. I.D., Black Powdercoated, Each

Part Number: QA1-10HT600B

Not Yet Reviewed

Estimated Ship Date: Today

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Aldan American 9 Inch Coil Spring 9-600BK

Made in the USA Aldan American 9 Inch Coil Spring 9-600BK

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 9 Inch Coil Spring 9-600BK

Coilover Springs, 600 lbs./in. Rate, 2.50 in. I.D., 9.00 in. Length, Black, Each

Part Number: AAX-9-600BK

Not Yet Reviewed

Estimated Ship Date: Apr 28, 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: Apr 28, 2026 if ordered today

Aldan American 10 Inch Coil Spring 10-600BK2

Made in the USA Aldan American 10 Inch Coil Spring 10-600BK2

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 10 Inch Coil Spring 10-600BK2

Coilover Spring, 600 lbs./in., 10.00 in. Length, 2.500 in. I.D., Black Powdercoated, Steel, Pair

Part Number: AAX-10-600BK2

Not Yet Reviewed

Estimated Ship Date: Apr 28, 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: Apr 28, 2026 if ordered today

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52615-D600

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52615-D600

QA1 1961-71 D100 Independent Front Suspensions for 1968-1971 D100 PICKUP, 1961-1967 D100 SERIES - 52615-D600

Suspension Package, IFS, Front, 5 in. to 6 in. Drop, Double Adjustable Coilover, 600 lbs./in. Spring Rate, Tubular Arms, Dodge, Kit

Part Number: QA1-52615-D600

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