Upgrade your rear end with the Pro-Rear System from QA1.
Available options include double adjustable, single adjustable, and ride sensitive valving non-adjustable, with each adjustment carefully defined to create the ideal force curve to maximize performance.
With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks.
Commonly used in drag racing, street performance, and street rod applications, these Pro-Rear Systems are available in Simultaneous Compression and Rebound Single Adjustable (DS), Independent Compression & Rebound Double Adjustable (DD), or Ride Sensitive Non-Adjustable (ALN) Coil-Over.
Lightweight aluminum ride height is adjustable, and spring mounting hardware is included.
100% dyno tested and serialized, they are revalveable and rebuildable by the QA1 factory or QA1 authorized service centers.
Precision machined aluminum piston with PTFE piston band, 5/8" centerless ground, hard chrome plated, solid piston rod, and a three-step sealing system.
Made in the USA.
The kit includes: (2) Proma Star Shocks or Aluma Matic Shocks and (2) linear or variable rate springs along with all mounting hardware.
