See all Suspension products
Product thumb
QA1 Kit, Pro-Rear C-O D-Adj. 3.25" Proma Star 12-130
$972.95

QA1 Pro-Rear System DD501-1301

Revamp your ride with the QA1 Pro-Rear System DD501-1301, designed to enhance your vehicle's handling and performance. This system is perfect for drag racing, street performance, and street rod applications, offering a tailored experience for every driving enthusiast.

Key Features

  • Adjustability Options: Choose from double adjustable, single adjustable, or ride-sensitive non-adjustable options. Each setting is finely tuned to provide a seamless adjustment experience with no jumps between clicks.
  • Lightweight Construction: Crafted from high-quality aluminum, these coil-over shocks are not only durable but also lightweight, contributing to overall performance.
  • Ride Height Adjustability: Customize your ride height to suit your driving style and preferences, ensuring optimal handling and comfort.
  • Comprehensive Kit: The kit includes two Proma Star or Aluma Matic Shocks, two linear or variable rate springs, and all necessary mounting hardware for easy installation.
  • Revalveable and Rebuildable: Maintain your system effortlessly with revalving and rebuilding options available through QA1 or authorized service centers.
  • 100% Dyno Tested: Each shock is dyno tested and serialized, guaranteeing quality and performance right out of the box.

Specifications

  • Model: DD501-1301
  • Spring Rate: 130
  • Shock Type: Double Adjustable
  • Application: Drag Racing, Street Performance, Street Rods

Fitment

The DD501-1301 Pro-Rear System is engineered to fit a variety of vehicles, making it a versatile choice for those looking to enhance their car's performance on the track or the street.

Customer Feedback

Users have praised the QA1 Pro-Rear System for its smooth operation and precise adjustability. Many have noted significant improvements in handling and ride quality, making it a popular choice among performance enthusiasts. The ease of installation and the comprehensive nature of the kit have also received positive remarks, ensuring that even those new to upgrades can achieve professional results.

Other Part Numbers:
QA1 #qapDD501-1301

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

QA1 Banner

Who is QA1?

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 Experts

The 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 Facility

The 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 Racing

If 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.



You're seeing this because you're logged into an employee account or you're accessing the site through an internal IP address. This information is not normally visible.
Things
Sale price None
Wholesale price $972.99
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

Emissions Info
Carb Approved -
Carb Number -
Epa Status N/A
Prop65 Yes
Carb Required -
Vendors
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
Vendor Inv Cost Retail Jobber MAP Core Updated
Turn 14 $824.57 $1,077.87 ? $972.95 ? 2025-07-11 10:45:06

Manufacturer Direct Shipping
This item is available for direct shipping from the manufacturer. Please verify stock availability with the manufacturer. Once confirmed, you can place an order through [Meyer Distributing], who will arrange for dropshipping from the manufacturer directly to our customer.

Check out these other great products