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Vivid Racing Gear 
QA1 Heavy Duty Pro Rear System (DD501-2001)
Looking to enhance your vehicle's suspension? The QA1 Heavy Duty Pro Rear System (DD501-2001) is crafted to provide outstanding performance for cars and trucks with a rear axle weight between 1700 and 2600 lbs. This comprehensive kit comes with everything you need for a smooth installation, making it a top choice for both street and race applications.
Key Features
- Robust Construction: The kit includes double shear bracketry and increased spring rates, ensuring maximum strength and support.
- Complete Installation Kit: Comes with all necessary hardware, including axle mount bracketry, upper shock mounts, and tubing.
- Adjustable QA1 Coilover Shocks: Fully adjustable shocks and springs allow you to customize your ride for optimal performance.
Ride Height Adjustability
With our axle-mounted brackets, you can enjoy multiple increments of adjustment. The coilover shock further allows for precise fine-tuning, giving you a total of 9 ride height adjustments. This feature empowers you to achieve your desired stance effortlessly.
Double-Adjustable Coil-Overs
If you’re an enthusiast who values precision, our double-adjustable Proma Star shocks are designed just for you. Known for their independent rebound and compression tunability, these shocks provide exceptional handling and control, perfect for both street cruising and track racing.
Simple Weld-In Installation
No need for complicated setups! Each kit includes essential brackets, tabs, and hardware, making it straightforward to weld on and get your vehicle ready for action without unnecessary trips to the parts store.
Best In-Class Lifetime Warranty
When you choose QA1, you’re also choosing peace of mind. Register your purchase at QA1.net/warranty to receive lifetime coverage on your QA1 shocks.
Made in the USA
Quality matters. The QA1 Heavy Duty Pro Rear System is proudly manufactured in Lakeville, Minnesota, ensuring you receive a product built to last.
Specifications
- Fitment: Designed for 3.25" axle tubes
- Upper Shock Mount Dimensions: 1-5/8" diameter x .095" wall, 40" long
- Required Tools: Use QA1 spanner wrench T114W or T115WHD
- Included Components: Two double adjustable coilover shocks, two springs, 40" long weld-in tube, and all mounting hardware
Customer Insights
Users have praised the QA1 Heavy Duty Pro Rear System for its easy installation and noticeable performance improvements. Many have noted how the adjustable features allow for a tailored driving experience, whether on the road or the track. The build quality and materials have also received commendations, reinforcing the system's durability and reliability.
Other Part Numbers:
QA1 #qapDD501-2001
Proposition 65
⚠ 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.
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