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...

Showing In Stock Items. Show All 231 Items.

Individual Parts

Part Groups

Results 1 - 25 of 137

Hellwig EZ-990 Helper Spring Kits 991

Hellwig EZ-990 Helper Spring Kits 991

Helper Spring, EZ-990, Black Powdercoated, Chevy, Dodge, Ford, Kit

Part Number: HEL-991

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Dorman Control Arms 520-991

Control Arm, Driver Side Front Lower, Cast Iron, Natural, Audi, Volkswagen, Each

Part Number: RNB-520-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

ACDelco GM Genuine Parts Shocks and Struts for 2016 SILVERADO 1500 - 23338852

Shock/Strut, OE, Eyelet, Eyelet, Kit

Part Number: ADO-560-991

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Dorman Tie Rod Ends 543-991

Tie Rod, Mercedes-Benz 2003-96

Part Number: RNB-543-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Dorman Sway Bar End Links for 2002-2005 FREELANDER - 541-991

Stabilizer Bar Link, Land Rover Freelander 2005-02

Part Number: RNB-541-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Dorman Tie Rod Ends for 1990-1993 DYNASTY, IMPERIAL, 1991-1993 NEW YORKER - 542-991

Tie Rod, Chrysler 1993-90, Dodge 1993-90

Part Number: RNB-542-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Dorman Steering Knuckles for 2004-2008 SPECTRA, 2005-2008 SPECTRA5 - 697-991

Steering Knuckle, Cast Iron, Black, Front Driver Side, Kia, Each

Part Number: RNB-697-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Dorman Control Arm Bushings 533-991

Control Arm Bushing, Buick 1965-64, Chevrolet 1966-64, Oldsmobile 1970-64, Pontiac 1968-64

Part Number: RNB-533-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Dorman Ball Joints 539-991

Track Bar Ball Joint, Ford 2022-05

Part Number: RNB-539-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Dorman Center Links 540-991

Center Link, Buick 1976-73, Chevrolet 1976-73, Oldsmobile 1976-73, Pontiac 1976-73

Part Number: RNB-540-991

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 30, 2026 if ordered today

Belltech Lowering Kits with Street Performance Shock Absorbers for 2014-2015 SIERRA 1500, SILVERADO 1500 - 991SP

Suspension Lowering Kit, Street Performance Shock Absorbers, Chevy, GMC, Kit

Part Number: BEL-991SP

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 28, 2026 if ordered today

TRW Replacement Ball Joints JBJ991

BALL JOINT

Part Number: TRW-JBJ991

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 2, 2026 if ordered today

H&R Sport Springs for 2012-2019 911 - 28880-1

Lowering Springs, H&R 12-19 Porsche 911/991 Carrera/Carrera S (2WD) Coupe/Cabrio Sport Spring (Incl. PASM)

Part Number: HNR-28880-1

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 9, 2026 if ordered today

Bilstein B4 Series DampTronic Shocks and Struts for 2012-2019 911 - 26-219974

Porsche 911 (991) PASM HA

Part Number: BSN-26-219974

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 26, 2026 if ordered today

Bilstein B4 Series DampTronic Shocks and Struts for 2012-2019 911 - 23-219960

Porsche 911 991;F;B4DT

Part Number: BSN-23-219960

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 26, 2026 if ordered today

KW HAS Coilover Kits for 2014-2019 911 - 25371050

H.A.S. fits Porsche 911 Turbo (Type 991) w/o PDCC

Part Number: KWA-25371050

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

H&R Sport Springs for 2014-2019 911 - 28880-3

Lowering Springs, H&R 14-19 Porsche 911/991 Turbo/Turbo S Sport Spring (Incl. PASM/Incl. Front End Lift)

Part Number: HNR-28880-3

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 9, 2026 if ordered today

KW HAS Coilover Kits for 2018 911 - 25371043

KW H.A.S., Porsche 911 (991)

Part Number: KWA-25371043

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

H&R VTF Adjustable Lowering Springs for 2012-2019 911 - 23009-2

Lowering Springs, H&R 12-19 Porsche 911/991 Carrera (2WD) VTF Adjustable Lowering Springs (Incl. PASM/Non PDCC)

Part Number: HNR-23009-2

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 9, 2026 if ordered today

H&R Sport Springs for 2013-2019 911 - 28880-2

Lowering Springs, H&R 13-19 Porsche 911/991 Carrera 4/Carrera 4S (4WD) Coupe/Cabrio/Targa Sport Spring (Incl. PASM)

Part Number: HNR-28880-2

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 9, 2026 if ordered today

Energy Suspension Bump Stops 9.9104G

Bushings, Bump Stops, Polyurethane, Black, Wedge, 2.5 in. Diameter, 4.5 in. Tall, Universal, Pair

Part Number: ENS-9-9104G

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Energy Suspension Bump Stops 9.9101G

Bushings, Bump Stops, Polyurethane, Black, Conical, 2 in. Diameter, 2.125 in. Tall, Universal, Pair

Part Number: ENS-9-9101G

4.3 out of 5 stars ( 30 )

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Energy Suspension Link Bushings 9.9111G

Bushings, Link, 4-Bar, Polyurethane, Black, 1 1/8 in. O.D., 1/8 in. Flange Length, Universal, Kit

Part Number: ENS-9-9111G

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Energy Suspension Bump Stops 9.9103G

Bushings, Bump Stops, Polyurethane, Black, Conical, 1.5 in. Diameter, 1.563 in. Tall, Universal, Pair

Part Number: ENS-9-9103G

4.61 out of 5 stars ( 31 )

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Belltech Anti-Sway Bars 9917

Suspension Kit ;

Part Number: BEL-9917

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

...Loading

Estimated Ship Date: Monday 1/12/2026

Page 1 of 6
Next