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Vivid Racing Gear 
QA1 DD501-1501 Pro-Rear System
Transform your vehicle's rear suspension with the QA1 DD501-1501 Pro-Rear System. Designed for enthusiasts who demand precision and performance, this system is perfect for drag racing, street performance, and street rod applications.
Key Features
- Adjustable Options: Choose from double adjustable, single adjustable, and ride-sensitive non-adjustable options to suit your driving style.
- Smooth Adjustments: Enjoy evenly spaced valving changes throughout the adjustment range, ensuring seamless transitions between settings without any jumps.
- Lightweight Construction: Crafted from high-quality aluminum, these coil-over shocks are designed to reduce weight while maintaining strength.
- Ride Height Adjustability: Tailor your vehicle's stance with adjustable ride height, giving you the flexibility to achieve the perfect look and performance.
- Revalveable and Rebuildable: The shocks can be revalved and rebuilt by QA1 or authorized service centers, ensuring longevity and adaptability to your changing needs.
- 100% Dyno Tested: Each shock is rigorously tested and serialized, guaranteeing top-tier quality and performance.
Specifications
- Model: DD501-1501
- Shock Type: Double Adjustable
- Spring Rate: 150
- Included Components:
- Two Proma Star or Aluma Matic Shocks
- Two Linear or Variable Rate Springs
- All necessary mounting hardware
- Manufactured: Made in the USA
Fitment
The QA1 DD501-1501 Pro-Rear System is engineered for a wide range of vehicles, making it a versatile choice for those looking to upgrade their suspension setup. Whether you’re hitting the drag strip or cruising the streets, this system is designed to meet your performance needs.
Customer Insights
Users have praised the QA1 DD501-1501 for its impressive adjustability and smooth performance. Many have noted how easy it is to fine-tune the suspension settings, allowing for a customized driving experience that feels just right for their specific application. The lightweight design has also been highlighted as a significant advantage, contributing to better handling and responsiveness on the road or track.
Other Part Numbers:
QA1 #qapDD501-1501
⚠ 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 | $972.99 |
| Shipping |
Weight: 30.80 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 | $824.57 | $1,077.87 | ? | $972.95 | ? | 2025-07-11 10:45:06 |
