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 off er 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.
Single-Adjustable Coil-Overs
QA1 single adjustable Proma Star shocks deliver exceptional ride qualit y and performance. With the simple turn of a dial, you can effortlessly switch between a comfortable cruise and a more aggressive feel, making them ideal for daily driving or twisty backroads.
Easy, Weld-In Installation
Each kit comes complete with the essential brackets, tabs, and hardware, maki n g it a simple weld-on solution to get the job done efficiently without excess fabrication or trips to the parts store.
Best In-Class Lifetime Warranty
Register at QA1.net/warranty for lifetime coverage of your QA1 shocks.
Made in the USA
QA1’s Heavy Duty Pro-Rear Systems is proudly made in La ke ville, Minnesota.
Fitment Notes
Welding required
Designed for 3.00” 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
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