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 38 Items.

Individual Parts

Part Groups

Results 1 - 25 of 31

QA1 Proma Star Coilover Shocks and Struts DS501

Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each

Part Number: QA1-DS501

5.0 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

QA1 Proma Star Coilover Shocks and Struts DS502

Coilover Shock, Proma Star, Single-Adjustable, Aluminum Body, Clear Anodized, Twin-Tube, 16.875 in. Extended, 11.625 in. Collapsed, Each

Part Number: QA1-DS502

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

QA1 Rear Pro Coilover Conversion Systems DS501-12175V

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 175-350 lbs./in. Rate, Kit

Part Number: QA1-DS501-12175V

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

QA1 Rear Pro Coilover Conversion Systems DS501-12130V

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130-250 lbs./in. Rate, Kit

Part Number: QA1-DS501-12130V

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

QA1 Rear Pro Coilover Conversion Systems DS501-12150

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit

Part Number: QA1-DS501-12150

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

QA1 Rear Pro Coilover Conversion Systems DS501-12100V

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 100-200 lbs./in. Rate, Kit

Part Number: QA1-DS501-12100V

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

QA1 Rear Pro Coilover Conversion Systems DS501-12130

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130 lbs./in. Rate, Kit

Part Number: QA1-DS501-12130

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

QA1 Rear Pro Coilover Conversion Systems DS501-12130V

5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

QA1 Rear Pro Coilover Conversion Systems DS501-12110

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 110 lbs./in. Rate, Kit

Part Number: QA1-DS501-12110

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

QA1 Rear Pro Coilover Conversion Systems DS501-1501

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 150 lbs./in. Rate, Kit

Part Number: QA1-DS501-1501

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

QA1 Rear Pro Coilover Conversion Systems DS501-175V1

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 175-350 lbs./in. Rate, Kit

Part Number: QA1-DS501-175V1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

QA1 Rear Pro Coilover Conversion Systems DS501-130V1

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130-250 lbs./in. Rate, Kit

Part Number: QA1-DS501-130V1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

QA1 Rear Pro Coilover Conversion Systems DS501-1301

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 130 lbs./in. Rate, Kit

Part Number: QA1-DS501-1301

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

QA1 Rear Pro Coilover Conversion Systems DS501-100V1

Coilover Kits, Rear Pro Conversion System, Single-Adjustable, Aluminum, Clear Anodized Shocks, Silver Powdercoated Springs, 100-200 lbs./in. Rate, Kit

Part Number: QA1-DS501-100V1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 30, 2026 if ordered today

QuadBoss Steering Stem Bearing Lower

Part Number: QDB-411433

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

...Loading

Estimated Ship Date: May 1, 2026 if ordered today

Page 1 of 2
Next