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The QA1 Pro Rear Weld‑In coil‑over system is a rear custom‑mount kit that pairs double‑adjustable shocks with 12" x 150 lb/in springs and all required mounting hardware. Built for drag, street performance and street rod applications, the aluminum bodies fit 3.25" axle tubes and offer tunable valving options. It ships as a complete weld‑in solution for DIY installs and is made in the USA.
QA1 Pro Rear Weld-In Coil-Over System - Double Adj. - 12in x 150lbs/in - 3.25in Tube - Aluminum
