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Vivid Racing Gear 
QA1 Pro-Rear System DM501-12110
Elevate your vehicle's performance with the QA1 Pro-Rear System DM501-12110, designed for enthusiasts who demand precision and quality. This system is perfect for drag racing, street performance, and street rod applications, ensuring a smooth ride while maximizing your car's capabilities.
Key Features
- Adjustability Options: Choose from a variety of options including Double Adjustable (DD), Single Adjustable (DS), and Ride Sensitive Non-Adjustable (ALN) to suit your driving style.
- Smooth Adjustments: Enjoy evenly spaced valving changes throughout the adjustment range, eliminating any jumps between clicks for a seamless tuning experience.
- Lightweight Design: Made from high-quality aluminum, this system is lightweight yet durable, ensuring optimal performance without adding unnecessary weight.
- Precision Engineering: Features a precision machined aluminum piston with a PTFE piston band, providing enhanced performance and longevity.
- Robust Sealing System: Equipped with a three-step sealing system and a hard chrome plated solid piston rod for maximum durability.
- Fitment: Available to fit 3" or 3.25" diameter axle tubes, making it versatile for various applications.
Specifications
- Kit Includes:
- (2) Proma Star Shocks or Aluma Matic Shocks
- (2) Linear or Variable Rate Springs with a rate of 110
- All necessary mounting hardware
- 100% Dyno Tested: Each system is serialized and rigorously tested to ensure quality.
- Revalveable and Rebuildable: Can be serviced by QA1 Factory or authorized service centers for long-term reliability.
Benefits of the DM501-12110
This Pro-Rear System not only enhances handling and stability but also allows for fine-tuning based on your specific driving conditions. Whether you're hitting the track or cruising the streets, this system offers the adaptability you need to achieve the best performance.
Customer Insights
Users have praised the QA1 Pro-Rear System DM501-12110 for its impressive adjustability and smooth ride quality. Many have noted a significant improvement in their vehicle's handling, especially during high-speed maneuvers. The easy installation process and comprehensive mounting hardware have also received positive feedback, making it a favorite among DIY enthusiasts.
Made in the USA
Rest assured that this product is manufactured in the USA, reflecting a commitment to quality and performance that you can trust.
Other Part Numbers:
QA1 #qapDM501-12110
⚠ 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 | $2,080.03 |
| Shipping |
Weight: 29.80 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 | $1,762.74 | $2,304.24 | ? | $2,079.95 | ? | 2025-07-11 10:45:12 |
