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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 245

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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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 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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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 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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Bowler Performance Transmission Crossmembers for 1970-1974 CAMARO, FIREBIRD - 4601012

Made in the USA Bowler Performance Transmission Crossmembers for 1970-1974 CAMARO, FIREBIRD - 4601012

Bowler Performance Transmission Crossmembers for 1970-1974 CAMARO, FIREBIRD - 4601012

Transmission Crossmember, Steel, Black Powdercoated, Tremec TKO 500/TKO 600/TKX, Chevrolet, Pontiac, Each

Part Number: BTM-4601012

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

Old Man Emu Nitro Plus Kits for 2016-2023 TACOMA - 1013K

Old Man Emu Nitro Plus Kits for 2016-2023 TACOMA - 1013K

Old Man Emu Nitro Plus Kits for 2016-2023 TACOMA - 1013K

Suspension Lift Kit, Nitro Plus, 2.0 in. Lift, Front Coil Springs 220-330 lbs., 2.0 in. Rear, Leaf Springs 600 lb., Nitro Shocks, Toyota, Kit

Part Number: EMU-1013K

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Aldan American SS Series Coilover Kits A890600B

Made in the USA Aldan American SS Series Coilover Kits A890600B

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 SS Series Coilover Kits A890600B

Coilover Kit, SS-Series, Adjustable,14.5 in. Extended, 10.15 in. Collapsed, 600 lbs./in. Rate, Pair

Part Number: AAX-A890600B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 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 27, 2026 if ordered today

Old Man Emu Nitro Plus Kits for 2016-2023 TACOMA - 1012K

Old Man Emu Nitro Plus Kits for 2016-2023 TACOMA - 1012K

Old Man Emu Nitro Plus Kits for 2016-2023 TACOMA - 1012K

Suspension Lift Kit, Nitro Plus, 2.0 in. Lift, Front Coil Springs, 2.0 in. Rear, Leaf Springs 600 lb., Front/Rear Nitro Shocks, Toyota, Kit

Part Number: EMU-1012K

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Sachs Stock Replacement Shocks and Struts for 2004-2007 IMPREZA - 316 600

Sachs Stock Replacement Shocks and Struts for 2004-2007 IMPREZA - 316 600

Sachs Stock Replacement Shocks and Struts for 2004-2007 IMPREZA - 316 600

Stock Replacement, Twin Tube, Gas Charged, Each

Part Number: SXR-316-600

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

Hotchkis Sport Suspension Lowering Coil Springs for 1970-1981 CAMARO, 1975-1981 FIREBIRD, 1975-1978 NOVA - 1908F

Made in the USA Hotchkis Sport Suspension Lowering Coil Springs for 1970-1981 CAMARO, 1975-1981 FIREBIRD, 1975-1978 NOVA - 1908F

Hotchkis Sport Suspension Lowering Coil Springs for 1970-1981 CAMARO, 1975-1981 FIREBIRD, 1975-1978 NOVA - 1908F

Lowering Springs, Front, 2.0 in Drop, Small Block, 600 LBS per inch, Gray Powdercoated, Chevy, Pontiac, Pair

Part Number: HSS-1908F

4.7 out of 5 stars ( 30 )

Estimated Ship Date: Today

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QA1 1988-98 C1500 Front and Rear Coilover Conversion Systems HK03-OBS1

QA1 1988-98 C1500 Front and Rear Coilover Conversion Systems HK03-OBS1

QA1 1988-98 C1500 Front and Rear Coilover Conversion Systems HK03-OBS1

Coilover Conversion, 600 lb Front 200 lb Rear Spring Rate, Upper/Lower Control Arms, Tubular, Black, 2-4 in. Front/ 4-7 in. Rear Drop, Chevy, GMC, Kit

Part Number: QA1-HK03-OBS1

Not Yet Reviewed

Estimated Ship Date: Today

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Heidts Coilover Shock Springs CSV-600-10

Heidts Coilover Shock Springs CSV-600-10

Heidts Coilover Shock Springs CSV-600-10

Coilover Springs, Gray/Silver, 10.0 in. Length, 600 lbs./in. Spring Rate, Front or Rear, Pair

Part Number: HDT-CSV-600-10

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Heidts Coilover Shock Springs CSV-600-09

Heidts Coilover Shock Springs CSV-600-09

Heidts Coilover Shock Springs CSV-600-09

Coilover Springs, Gray/Silver, 9.0 in. Length, 600 lbs./in. Spring Rate, Front, Pair

Part Number: HDT-CSV-600-09

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Dorman Sway Bars for 2003-2019 COROLLA, 2003-2013 MATRIX, 2003-2010 VIBE - 927-600

Dorman Sway Bars for 2003-2019 COROLLA, 2003-2013 MATRIX, 2003-2010 VIBE - 927-600

Dorman Sway Bars for 2003-2019 COROLLA, 2003-2013 MATRIX, 2003-2010 VIBE - 927-600

Sway Bar, Replacement, Front, Toyota, Steel, Black, Solid, Kit

Part Number: RNB-927-600

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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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 - 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 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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Heidts Coilover Shock Springs CSV-600-08

Heidts Coilover Shock Springs CSV-600-08

Heidts Coilover Shock Springs CSV-600-08

Coilover Springs, Gray/Silver, 8.0 in. Length, 600 lbs./in. Spring Rate, Front, Pair

Part Number: HDT-CSV-600-08

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 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 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: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

ADS MESA 2.5 Series Coilovers 100ADS-10080

ADS MESA 2.5 Series Coilovers 100ADS-10080

ADS MESA 2.5 Series Coilovers 100ADS-10080

Coilover Kit, MESA 2.5, 22.34 in. Extended, 16.82 in. Compressed, 5.52 in. Stroke, 600 in/lb Spring Rate, Chevy, GMC, Front, Pair

Part Number: ADZ-100ADS-10080

Not Yet Reviewed

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Ridetech Coilovers for 1967-1969 CAMARO, FIREBIRD - 11163511

Made in the USA Ridetech Coilovers for 1967-1969 CAMARO, FIREBIRD - 11163511

Ridetech Coilovers for 1967-1969 CAMARO, FIREBIRD - 11163511

Coil Overs, Front, Adjustable, Aluminum Socks, Coilover Spring, 600 lbs./in. Spring Rate, Chevy, Pontiac, Kit

Part Number: ART-11163511

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

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 27, 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 27, 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: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today