Upgrade your rear end with QA1's Pro-Rear System.
Available in the MOD series, options include double adjustable, single adjustable, and ride sensitive valving non-adjustable.
Each adjustment has been carefully defined to maximize performance with the ideal horse curve.
With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks.
These Pro-Rear Systems are commonly used in drag racing, street performance, and street rod applications.
Lightweight aluminum construction.
Ride height is adjustable.
Spring mounting hardware is included.
100% dyno tested and serialized.
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.
Three-step sealing system.
Made in the USA.
Kit includes: (2) Proma Star Shocks or Aluma Matic Shocks, (2) linear or variable rate springs, and all mounting hardware.