.jpeg?q=90&p=thumb&w=200&h=200)
.jpeg?q=90&p=thumb&w=40&h=40)
Brakes 
Driveline 
Electronics 
Handlebars & Controls 
Package Deals 
Wheel Accessories 
Wheels by Vehicle 
Tools and Maintenance 
Universal & Repair 
Vivid Racing Gear 
QA1 Pro-Rear System - DD501-130V1
Elevate your vehicle's performance with the QA1 Pro-Rear System, specifically designed for enthusiasts who demand precision and quality. This system is perfect for drag racing, street performance, and street rod applications, ensuring you get the best out of your ride.
Key Features
- Adjustable Options: Choose from double adjustable, single adjustable, or ride-sensitive non-adjustable valving options. Each adjustment is finely tuned to deliver the ideal force curve for optimal performance.
- Smooth Adjustments: Experience seamless adjustments with evenly spaced valving changes, eliminating any jumps between clicks for a more controlled ride.
- Lightweight & Durable: Constructed from high-quality aluminum, these coil-over shocks are not only lightweight but also built to last, enhancing your vehicle's handling and responsiveness.
- Ride Height Adjustability: Tailor the ride height to your preference, allowing for a customized driving experience.
- Complete Kit: Each kit includes two Proma Star or Aluma Matic Shocks, two linear or variable rate springs (130/250), and all necessary mounting hardware for a hassle-free installation.
- Revalveable & Rebuildable: The shocks can be revalved and rebuilt at the QA1 factory or authorized service centers, ensuring longevity and performance consistency.
- 100% Dyno Tested: Each shock is rigorously tested and serialized, guaranteeing high performance and reliability.
Specifications
- Model: DD501-130V1
- Spring Rate: 130/250
- Material: Lightweight aluminum
- Adjustment Types: Double adjustable (DD), single adjustable (DS), ride sensitive non-adjustable
- Application: Drag racing, street performance, street rods
Fitment
This Pro-Rear System is designed to fit a variety of vehicles, making it a versatile choice for car enthusiasts looking to enhance their setup. Ensure compatibility with your specific model for optimal performance.
Customer Feedback
Users have praised the QA1 Pro-Rear System for its smooth handling and adjustable features. Many have noted the noticeable improvement in their vehicle's performance during both daily driving and competitive racing. The durability of the aluminum construction has also been highlighted, with several reviews mentioning how well these shocks hold up under various conditions.
Other Part Numbers:
QA1 #qapDD501-130V1
⚠ 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 | $980.99 |
| Shipping |
Weight: 33.10 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 | $831.35 | $1,086.73 | ? | $980.95 | ? | 2025-07-11 10:45:06 |
