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Product Overview
QA1's Heavy Duty Pro Rear System is the ideal choice for those looking to enhance their vehicle's suspension with coilovers. Designed for vehicles with a rear axle weight ranging from 1700 to 2600 lbs, this comprehensive kit comes with everything you need for a straightforward installation.
Key Features
Robust Design
This kit features double shear bracketry and increased spring rates, providing the strength and support necessary for both street and race applications. You can trust that your ride will handle whatever the road throws at it.
Ride Height Adjustability
The axle-mounted brackets allow for multiple adjustment increments, while the coilover shocks offer fine-tuning capabilities. With a total of 9 inches of ride height adjustability, you can easily achieve your desired stance and performance level.
Double-Adjustable Coil-Overs
For those who crave precision handling, the double-adjustable Proma Star shocks are a perfect fit. Known for their independent rebound and compression tunability, these shocks provide exceptional control on both the street and the track, allowing for a custom suspension setup tailored to your driving style.
Easy, Weld-In Installation
Say goodbye to complicated installations! Each kit includes all the essential brackets, tabs, and hardware needed for a simple weld-on solution. You can get the job done efficiently without the hassle of extra fabrication or multiple trips to the parts store.
Specifications
- 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 QA1 spanner wrench T114W or T115WHD
- Includes two double adjustable coilover shocks, two springs, a 40" long weld-in tube, and all mounting hardware
Fitment Notes
Welding is required for installation. Ensure you have the necessary tools and skills before starting the project.
Warranty and Quality Assurance
Enjoy peace of mind with our best-in-class lifetime warranty. Register your QA1 shocks at QA1.net/warranty for lifetime coverage. Proudly made in the USA, QA1's Heavy Duty Pro Rear Systems are manufactured in Lakeville, Minnesota.
Customer Feedback
Users have praised the Heavy Duty Pro Rear System for its straightforward installation and significant improvement in ride quality. Many have noted the enhanced handling characteristics, making it a popular choice for both daily drivers and track enthusiasts alike.
Other Part Numbers:
QA1 #qapDD501-2501
⚠ 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 | $968.98 |
| Shipping |
Weight: 36.00 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 | $821.17 | $1,073.43 | ? | $968.95 | ? | 2025-07-11 10:45:15 |
