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Vivid Racing Gear 
QA1 Pro-Rear System: DS501-1101
Elevate your vehicle's performance with the QA1 Pro-Rear System, specifically designed for enthusiasts who demand precision and reliability. The DS501-1101 model offers a range of adjustable options tailored to your driving style, whether you're into drag racing, street performance, or classic street rods.
Key Features
- Adjustable Options: Choose from double adjustable, single adjustable, and ride-sensitive non-adjustable settings. Each option is engineered to provide a smooth and consistent adjustment experience.
- Smooth Adjustments: Enjoy evenly spaced valving changes throughout the adjustment range, eliminating any jumps between settings for a seamless tuning experience.
- Lightweight Construction: Crafted from high-quality aluminum, these coil-over shocks are designed to reduce weight while maintaining durability.
- Ride Height Adjustability: Customize your ride height easily, allowing you to achieve the perfect stance and handling characteristics.
- Complete Kit: The package includes two Proma Star or Aluma Matic Shocks, two linear or variable rate springs, and all necessary mounting hardware for a straightforward installation.
- Revalveable and Rebuildable: Both the QA1 factory and authorized service centers can revalve and rebuild these shocks, ensuring longevity and optimal performance.
- 100% Dyno Tested: Each shock is serialized and rigorously tested to meet QA1's high standards, guaranteeing reliability on the track or street.
Specifications
| Model | DS501-1101 |
|---|---|
| Shock Type | Single Adjustable |
| Spring Rate | 110 |
| Material | Aluminum |
| Fitment | Drag Racing, Street Performance, Street Rods |
Customer Insights
Users have praised the QA1 DS501-1101 for its remarkable ability to fine-tune suspension settings, allowing for a tailored driving experience. Many appreciate the ease of installation and the noticeable improvement in handling and ride quality. The lightweight design has also been highlighted as a significant advantage, enhancing overall vehicle dynamics.
Why Choose QA1?
QA1 is a trusted name in performance suspension, renowned for their commitment to quality and innovation. With the Pro-Rear System DS501-1101, you're not just purchasing a product; you're investing in a superior driving experience backed by American craftsmanship.
Other Part Numbers:
QA1 #qapDS501-1101
⚠ 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 |
