QA1's Aluma Matic Pro rear weld-in coil-over for 3.25" axle tubes pairs a variable-rate 100/200 lb/in spring with matched shocks in a complete kit. Two shocks, two springs and all mounting hardware are included. With optional valving selections, the weld-in rear system is intended for DIY builders seeking a ride-sensitive solution for drag or street performance applications and is made in the USA.
QA1 Pro Rear Weld-In Coil-Over System - RideSensitive - 12in x 100/200lbs/in - 3.25in Tube- Aluminum