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Vivid Racing Gear 
QA1 Pro-Rear System - DS501-1301
Upgrade your vehicle's rear suspension with the QA1 Pro-Rear System, model DS501-1301. Designed for performance enthusiasts, this system offers a range of features that cater to drag racing, street performance, and street rod applications.
Key Features
- Adjustability Options: Choose between double adjustable, single adjustable, and ride-sensitive non-adjustable valving to suit your specific driving needs.
- Smooth Adjustments: Enjoy evenly spaced valving changes across the adjustment range, ensuring a seamless transition without any jumps between clicks.
- Lightweight Construction: Made from high-quality aluminum, these coil-over shocks are designed to minimize weight while maximizing strength and durability.
- Ride Height Adjustability: Customize your ride height for improved handling and aesthetics.
- Comprehensive Kit: The package includes two Proma Star or Aluma Matic shocks, two linear or variable rate springs, and all necessary mounting hardware for a hassle-free installation.
- Revalveable and Rebuildable: Both the QA1 factory and authorized service centers can revalve and rebuild these shocks, ensuring long-term performance.
- 100% Dyno Tested: Each shock is dyno tested and serialized, guaranteeing quality and reliability.
- Made in the USA: Proudly manufactured in the United States, supporting local craftsmanship and quality standards.
Specifications
- Model: DS501-1301
- Spring Rate: 130
- Shock Type: Single adjustable custom mount coil-over shocks
- Included Components: (2) shocks, (2) springs, all mounting hardware
Fitment
The DS501-1301 Pro-Rear System is ideal for a variety of applications, including drag racing and street performance vehicles. Its adjustable features make it a versatile choice for both enthusiasts and casual drivers looking to enhance their driving experience.
Customer Insights
Users have praised the smooth adjustment capabilities of the DS501-1301, noting how easy it is to find the perfect setting for their driving style. Many have highlighted the noticeable improvement in handling and ride quality, making it a popular choice among performance enthusiasts.
Other Part Numbers:
QA1 #qapDS501-1301
⚠ 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 | $758.98 |
| Shipping |
Weight: 29.70 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 | $643.20 | $840.79 | ? | $758.95 | ? | 2025-07-11 10:45:06 |
