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Vivid Racing Gear 
QA1 Pro-Rear System: DS501-130V1
Revitalize your vehicle's suspension with the QA1 Pro-Rear System DS501-130V1. Designed for enthusiasts who demand precision and performance, this system is perfect for drag racing, street performance, and street rod applications.
Key Features
- Adjustability Options: Choose from double adjustable, single adjustable, or ride-sensitive non-adjustable configurations to tailor your ride to your specific needs.
- Smooth Adjustments: Enjoy evenly spaced valving changes throughout the adjustment range, ensuring a seamless transition without any jumps between clicks.
- Lightweight Aluminum Construction: Built with high-quality aluminum, these coil-over shocks are designed to be both durable and lightweight, enhancing overall performance.
- Ride Height Adjustability: Easily adjust the ride height to achieve the perfect stance and handling for your vehicle.
- Complete Kit: The package includes two Proma Star or Aluma Matic shocks, two linear or variable rate springs (rated 130/250), and all necessary mounting hardware for a straightforward installation.
- Revalveable and Rebuildable: Maintain your performance with the ability to revalve and rebuild your shocks at the QA1 factory or through authorized service centers.
- 100% Dyno Tested: Each shock is rigorously dyno tested and serialized to ensure top-notch quality and performance.
- Made in the USA: Proudly manufactured in the United States, ensuring high standards of quality and craftsmanship.
Specifications
| Model | DS501-130V1 |
|---|---|
| Shock Type | Single Adjustable |
| Spring Rate | 130/250 |
| Material | Aluminum |
| Application | Drag Racing, Street Performance, Street Rod |
Fitment
The DS501-130V1 is designed to fit a wide range of vehicles, making it a versatile choice for car enthusiasts looking to enhance their ride quality and performance. Ensure compatibility with your specific model for optimal results.
Customer Feedback
"The QA1 Pro-Rear System completely changed the way my car handles. The adjustability is fantastic, and I love how smooth the ride is now!"
"Installation was straightforward, and the performance improvements were noticeable right away. Highly recommend for anyone looking to upgrade their suspension."
Other Part Numbers:
QA1 #qapDS501-130V1
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.
Suspension ExpertsThe company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further.
State-of-the-Art FacilityThe company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.
QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.
Purchase QA1 Products At Vivid RacingIf you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.
| Sale price | None |
| Wholesale price | $765.99 |
| Shipping |
Weight: 33.00 Length: 40 Width: 8 Height: 8 |
| Product Added At | Monday 23 December, 2024 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Yes |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $649.14 | $848.55 | ? | $765.95 | ? | 2025-07-11 10:45:06 |
