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Vivid Racing Gear 
Product Overview
Looking to upgrade your vehicle's suspension? The QA1 DM501-2501 Heavy Duty Pro Rear System is your go-to solution for adding coilovers to your car or truck. This kit is engineered for vehicles with a rear axle weight ranging from 1700 to 2600 lbs, ensuring compatibility with a wide range of models. It comes complete with all the necessary hardware and bracketry for a hassle-free installation.
Key Features
Robust Construction
Built with double shear bracketry and enhanced spring rates, this system provides the strength and support needed for both street and race applications. The weld-on design includes:
- Axle mount bracketry
- Upper shock mounts
- Tubing
- Fully adjustable QA1 coilover shocks and springs
Ride Height Adjustability
The DM501-2501 features axle-mounted brackets that allow for precise adjustments. With the coilover shock system, you can achieve a total of 9 increments of ride height adjustability, giving you complete control over your vehicle's stance.
MOD Series Coil-Overs
Designed for high-performance builds, the MOD Series shocks offer unmatched tunability and aggressive force curves. Key features include:
- Modular valve packs for easy valving changes without removal
- High-speed and low-speed bleed adjustability
- Suitable for both street driving and drag racing
Simple Installation
This kit comes with all essential brackets, tabs, and hardware, making it a straightforward weld-on solution. You won’t need to worry about excessive fabrication or multiple trips to the parts store.
Warranty and Quality Assurance
QA1 stands behind its products with a 1-Year Warranty, ensuring they are free from defects in material and workmanship from the date of sale. Proudly made in Lakeville, Minnesota, you can trust the quality of the DM501-2501 system.
Fitment Information
Before purchasing, please note:
- Welding is required for installation.
- Designed for 3.25?? axle tubes.
- Included tubular upper shock mount dimensions: 1-5/8?? diameter x .095 wall, 40?? long.
- Requires the use of the QA1 spanner wrench T121WHD.
What’s Included
The QA1 DM501-2501 Pro Rear System includes:
- Two MOD Series adjustable coilover shocks
- Two springs
- 40?? long weld-in tube
- All necessary mounting hardware
Customer Feedback
Users have praised the DM501-2501 for its impressive adjustability and ease of installation. Many have noted how the coilovers significantly improved their vehicle's handling and ride quality, making it a popular choice among both casual drivers and racing enthusiasts.
Other Part Numbers:
QA1 #qapDM501-2501
⚠ 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 | $2,016.04 |
| Shipping |
Weight: 41.00 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 | $1,708.51 | $2,233.35 | ? | $2,015.95 | ? | 2025-07-11 10:45:15 |
