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The QA1 Pro Rear weld-in coil-over system is a complete rear kit that includes Proma Star or Aluma Matic shocks, two linear or variable-rate springs, and all mounting hardware. Offered in single-, double-, and non-adjustable valving, the system is dyno tested, serialized, revalveable and rebuildable by QA1. Designed for drag and street performance applications, it delivers consistent valving across adjustments for predictable rear suspension tuning.
QA1 Pro Rear Weld-In Coil-Over System - Single Adj. - 12in x 100/200lbs/in - 3in Tube - Aluminum
