See all Suspension products
Product thumb
QA1 DM501-12200 HD Pro Rear Coilover Conversion System, 3.0 Axle, MOD, 200lb
$2015.95

QA1 DM501-12200 Heavy Duty Pro Rear System

Overview

The QA1 DM501-12200 Heavy Duty Pro Rear System is designed to enhance your vehicle's performance by seamlessly integrating coilovers into your car or truck. This system is specifically tailored for vehicles with a rear axle weight ranging from 1700 to 2600 lbs, making it a versatile choice for both street and racing applications.

Key Features

Robust Construction

Equipped with double shear bracketry and increased spring rates, this kit provides exceptional strength and support. The weld-on design includes everything you need for a straightforward installation, including:

  • Axle mount bracketry
  • Upper shock mounts
  • Fully adjustable QA1 coilover shocks and springs

Ride Height Adjustability

Take control of your vehicle's stance with 9 increments of ride height adjustability. The axle-mounted brackets combined with the adjustable coilover shocks allow for precise tuning, ensuring you achieve your desired look and performance.

MOD Series Coil-Overs

These coil-overs are designed for performance enthusiasts seeking tunability and aggressive force curves. The modular valve packs enable you to adjust the valving without removing the shocks from your vehicle. With high-speed and low-speed bleed adjustability, these shocks are perfect for both daily driving and high-horsepower drag racing.

Simple Installation

Installation is a breeze with the included brackets, tabs, and hardware. The weld-on design minimizes the need for additional fabrication or trips to the parts store, allowing you to get back on the road quickly.

Specifications

  • Welding required for installation
  • Designed for 3.00" axle tubes
  • Included tubular upper shock mount dimensions: 1-5/8" diameter x .095" wall, 40" long
  • Requires use of QA1 spanner wrench (T121WHD)
  • Includes two MOD Series adjustable coilover shocks, two springs, 40" long weld-in tube, and all mounting hardware

Warranty and Manufacturing

QA1 stands behind their products with a 1-year warranty against defects in material and workmanship from the date of sale to the original purchaser. Proudly made in Lakeville, Minnesota, you can trust the quality and craftsmanship of the DM501-12200 Heavy Duty Pro Rear System.

Customer Feedback

Users have praised the DM501-12200 for its easy installation and noticeable improvement in ride quality. Many appreciate the adjustability features, which allow for fine-tuning based on personal preferences or specific driving conditions. The ability to modify the valving without removing the shocks has also been highlighted as a significant advantage for those who frequently tweak their setups.

Other Part Numbers:
QA1 #qapDM501-12200

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 $2,016.04
Shipping Weight: 40.30
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 $1,708.51 $2,233.35 ? $2,015.95 ? 2025-07-11 10:45:15


Check out these other great products