Upgrade your rear end with QA1's Pro-Rear System.
The MOD series is available in double adjustable, single adjustable, and ride sensitive valving non-adjustable options.
Each adjustment has been carefully defined to provide the ideal horse 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 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, and solid piston rod feature a 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.
