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QA1’s Pro Rear Weld‑In MOD series coil‑over kit pairs MOD‑valved custom mount shocks with 12" x 110 lb/in springs and all required hardware. The aluminum construction and tuneable valving make it suitable for DIY drag or street performance projects where a weld‑in rear solution is needed. The kit ships ready to install on compatible axle tubes and supports multiple valving options.
QA1 Pro Rear Weld-In Coil-Over System - MOD Series - 12in x 110lbs/in - 3in Tube - Aluminum
