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.
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.
PDF:
9919-309_REV_MT103K_MT104KSpecifications
- Included ShocksDouble Adjustable
- Spring Rate300lb/in.
- Axle Diameter3.25in.
