$113 Off

QA1 DD501-2001 HD Pro Rear Weld-In Coilover Kit, Double Adj Shock

$113 Off

#721DD5012001

QA1 DD501-2001 HD Pro Rear Weld-In Coilover Kit, Double Adj Shock

QA1's Heavy Duty Pro Rear Systems are designed to add coilovers to vehicles with a 1700-2600 lbs. rear axle weight, including all necessary hardware for installation.
Features double shear bracketry and increased spring rates for enhanced strength and support, making it suitable for both street and race applications.

Spring Rate:

200 lb

$1,048.95

Factory Shipped

$1,162.06

Save $113.11

Quantity

Need Help? Call to Order

Add to a list

Select a vehicle to verify Fitment

Select Vehicle

Product Summary

Rear Position, 200 lbs. Spring Rate, Height Adjustable

QA1's Heavy Duty Pro Rear Systems are designed to add coilovers to vehicles with a 1700-2600 lbs. rear axle weight, including all necessary hardware for installation.
Features double shear bracketry and increased spring rates for enhanced strength and support, making it suitable for both street and race applications.
Offers 9” of total ride height adjustability with axle-mounted brackets providing ¾” increments, allowing precise tuning for the desired stance.
Includes Proma Star shocks with independent rebound and compression tuning for exceptional handling, ideal for performance enthusiasts.
Double Adjustable Shock, 200lb/in. Spring for 3.25in. Axle Tube

See more details

Key Specs

Position	Rear
Spring Rate	200 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum

See more specs

Need To Know

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

QA1 DD501-2001 Details

Product Overview QA1's Heavy Duty Pro Rear Systems are the perfect solution to add coilovers to your car or truck. Designed for any vehicle with a 1700-2600 lbs. rear axle weight, this kit includes all the necessary hardware and bracketry for a seamless installation. With double shear bracketry and increased spring rates, it ensures the strength and support you need for street and race applications. This simple weld-on kit features axle mount bracketry, upper shock mounts and tubing, and fully adjustable QA1 coilover shocks and springs. Ride Height Adjustability Our axle-mounted brackets offer ¾” increments of adjustment, and the coilover shock allows for fine-tuning. Combined, you will have a total of 9” of ride height adjustability, giving you full control for your desired stance. Double-Adjustable Coil-Overs For performance enthusiasts who demand precision handling and control, our double-adjustable Proma Star shocks are the perfect choice. Perfect for both street and track use, double adjustable shocks are famous for their independent rebound and compression tunability, giving you exceptional handling and control for finer control over your suspension. Easy, Weld-In Installation Each kit comes complete with the essential brackets, tabs, and hardware, making it a simple weld-on solution to get the job done efficiently without excess fabrication or trips to the parts store. Made in the USA QA1’s Heavy Duty Pro-Rear Systems is proudly made in Lakeville, Minnesota. Fitment Notes Welding required Designed for 3.25” axle tubes Included tubular upper shock mount dimensions are 1-5/8” diameter x .095 wall, 40” long Requires use of QA1 spanner wrench T114W or T115W.

Guides & Documents

Coilovers Installation Instructions (721DD5012001)

Warranty (QA1)

Technical Information (QA1)

WARNING:

Cancer and Reproductive Harm – www.P65Warnings.ca.gov

QA1 DD501-2001 Specifications

KEY SPECS
MFG. Part #	DD501-2001
Brand	QA1
Position	Rear
Spring Rate	200 lbs.
Shock Adjustability	Double Adjustable
Shock Type	Twin Tube
Shock Body Material	Aluminum
Upper Shock Mount	Eyelet
Lower Shock Mount	Eyelet
Height Adjustable	Yes
Finish	Polished

GENERAL
Compressed Length	11.63"
Extended Length	16.88"
Number of Valving Selections	324
Coilover Springs Included	Yes
Sold in Quantity	Kit
Hardware Included	Yes
Crossmember Included	No
Welding Required	Yes
Gas Charged	No
Spring Finish	Powder Coated
Notes	Designed for 3.25 axle tubes. Included tubular upper shock mount dimensions are 1-5/8 diameter x .095 wall, 40 long. Requires use of QA1 spanner wrench T114W or T115W.
GTIN Code	806990169822
Adjustable Valving	Yes
Adjustable Mounting Bracket Included	Yes
Lower Mount	Bearing
Upper Mount	Bearing
Shocks Included	Yes

Ratings & Reviews

Be the first to write a review.

Questions & Answers

Be the first to ask a question.