The QA1 Aluma Matic Pro rear weld-in coil-over system fits 3.25" axle tubes and uses 150 lb/in high-travel springs. The kit ships with two shocks, two springs and all mounting hardware. Multiple valving options are available to suit different rear-end applications, making it a versatile weld-in coil-over choice for street performance, drag or custom rod projects; made in the USA.
QA1 Pro Rear Weld-In Coil-Over System - RideSensitive - 12in x 150lbs/in - 3.25in Tube - Aluminum