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 2000 +

QA1 Mopar Front Street Performance Coilover Conversion Systems 52346-S400

Suspension Package, Front, Street Performance, 0 in. to 2 in. Drop, Single Adjustable Coilover, 400 lbs./in. Spring Rate, Tubular Arms, Mopar, Kit

Part Number: QA1-52346-S400

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Dual Adjustable Front Coilover Conversion Kits for 1964-1970 MUSTANG - 6470COK-2A350

Coilover Conversion Kits, Front, 350 lb. Springs, 0-3 in. Height Adjustable, Twin-Tube Adjustable Shocks, Ford, Kit

Part Number: CLP-6470COK2A350

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Bilstein B6 Performance Series Shocks and Struts 24-009294

Shock/Strut, B6 HD, Monotube, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Rear, Each

Part Number: BSN-24-009294

4.73 out of 5 stars ( 95 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Totally Tubular Rear Trailing Arms 6072TTA-B

Trailing Arms, Tubular, Rear Lower, Steel, Black Powdercoated, Chevy, GMC, Pair

Part Number: CLP-6072TTA-B

4.67 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Steering Linkage Kits for 1967-1969 CAMARO, 1968 CHEVY II, 1969-1974 NOVA - 6869SLK-CP

Center Link, Steering Linkage, Pitman Arm, Idler Arm, Drag Link Assembly, Chevy, Kit

Part Number: CLP-6869SLK-CP

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Bilstein B6 Performance Series Shocks and Struts for 2011-2023 300, CHALLENGER, CHARGER - 24-216951

Bilstein B6 Performance Series Shocks and Struts for 2011-2023 300, CHALLENGER, CHARGER - 24-216951

Shock/Strut, B6 HD, Monotube, Chrysler, Dodge, Rear, Each

Part Number: BSN-24-216951

4.73 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Lowering Kits 7387D46-K

Suspension Lowering Kits, Drop Kit, 4 in. Front/6 in. Rear, Front Drop Spindles/Springs, Rear Flip Kit, No Shocks, Chevrolet, GMC, Kit

Part Number: CLP-7387D46-K

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Dual Adjustable Front Coilover Conversion Kits for 1970-1981 CAMARO, FIREBIRD - 7081COK-2A450

Coilover Conversion Kits, Front, 450 lb. Springs, 0-3 in. Height Adjustable, Twin-Tube Adjustable Shocks, Chevrolet, Pontiac, Kit

Part Number: CLP-7081COK2A450

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Modular Drop Spindles CP30106-4

Spindles, Nodular Iron, 2.5 in. Drop, Chevy, GMC, Pickup, Designed for 1.25 in. Thick Rotor, Pair

Part Number: CLP-CP30106-4

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Bilstein B6 Performance Series Shocks and Struts for 1997-2013 CORVETTE - 24-029759

Shock, B6 HD, Monotube, Front, Chevy, Each

Part Number: BSN-24-029759

4.92 out of 5 stars ( 24 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Dual Adjustable Front Coilover Conversion Kits for 1967-1969 CAMARO, 1968 CHEVY II, 1969-1974 NOVA - 6774COK-2A450

Coilover Conversion Kits, Front, 450 lb. Springs, 1-2.5 in. Lowered Height Adjustable, Twin-Tube Adjustable Shocks, Chevrolet, Kit

Part Number: CLP-6774COK2A450

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance 1962-67 Chevrolet Nova Front Subframe Kits for 1963-1967 CHEVY II - 6267TCA-ULK-B

MINI Subframe Kit, With Black, Upper/Lower Arms, Chevy, Black Upper/Lower Arms, Kit

Part Number: CLP-6267TCA-ULKB

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Dual Adjustable Front Coilover Conversion Kits 5564COK-2A450

Coilover Conversion Kits, Front, 450 lb. Springs, 0-3 in. Height Adjustable, Twin-Tube Adjustable Shocks, Chevrolet, Full Size, Kit

Part Number: CLP-5564COK2A450

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Scott Drake Performance Coil Springs for 1967-1973 MUSTANG - C7ZZ-5310-P

Springs, Coil Type, Front, 1.00 in. Drop, Black Powdercoated, Ford, Pair

Part Number: SDK-C7ZZ-5310-P

4.36 out of 5 stars ( 28 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Power Steering Conversion Kits for 1955-1959 TRUCK - CPP5559PSK-OC

Power Steering Conversion Kit, Chevy, GMC, Kit

Part Number: CLP-CPP5559PSKOC

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Bilstein B6 Performance Series Shocks and Struts for 1970-1981 CAMARO, FIREBIRD - 24-001564

Shock, B6 HD, Monotube, Rear, Chevy, Pontiac, Each

Part Number: BSN-24-001564

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Trans-Dapt Performance Crossmembers for 1982-1994 S10, 1982-1990 S15 - 9718

Crossmember, Transmission, Chevy, GMC, S10, S15, TH350, 700R4, Kit

Part Number: TRD-9718

2.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

UMI Performance Transmission Mounted Torque Arms for 1982-2002 CAMARO, FIREBIRD - 2205-R

Torque Arm, Steel, Red Powdercoated, Chevy, Pontiac, Kit

Part Number: UPI-2205-R

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Tubular Control Arms 6774TCA-ULK-B

Control Arms, Front, Tubular, Steel, Black Powdercoated, Chevy, Pontiac, Set

Part Number: CLP-6774TCAULK-B

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Trans-Dapt Performance Swap-In-A-Box Complete Engine Swap Kits 48061

Engine Swap Kit, Headers, Steel, Painted, Motor Mounts, Oil Pan, Pickup, Gaskets, Hardware, Chevy, LS, Kit

Part Number: TRD-48061

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Fox Racing Shox 2.0 Performance Series IFP Smooth Body Shocks 985-24-151

Shock, 2.0 Performance Series IFP Smooth Body, Ford, Each

Part Number: FRS-985-24-151

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Trans-Dapt Performance Swap-In-A-Box Complete Engine Swap Kits for 1983-1997 RANGER - 97361

Engine Swap Kit, Headers, Motor Mounts, Oil Pan, Pickup, Gaskets, Hardware, Ford, Small Block, C4, C6, T5, Kit

Part Number: TRD-97361

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Classic Performance Power Steering Conversion Kits for 1957-1960 F-100, F-250, F-350 - CPP5760PSK-OC

Power Steering Conversion Kit, Ford, Kit

Part Number: CLP-CPP5760PSKOC

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

UMI Performance Rear Control Arms and Panhard Bar Kits for 1982-2002 CAMARO, FIREBIRD - 201520-B

Panhard Bar, Tubular, Bushings, Black Powdercoated, Steel, Kit

Part Number: UPI-201520-B

4.87 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Fox Racing Shox 2.0 Performance Series IFP Smooth Body Shocks 985-24-189

Shock, 2.0 Performance Series IFP Smooth Body, Chevy, GMC, Each

Part Number: FRS-985-24-189

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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