Product Overview Improve your Mustang's suspension with QA1's bolt-in rear coil-over conversion kit. This kit includes specially designed mounting brackets, adjustable aluminum shocks, springs, and all necessary hardware.Ride Height Adjustability We understand that achieving the perfect stance for your car can be a challenge. That's why we've created a solution that makes it easy to adjust your ride height. QA1 coilovers feature a fully threaded, aluminum body which allows up-to 2” of lowering from stock. MOD Series Coil-OversTake total control of your race car suspension with 4-way adjustable valving offering independent tunability of both high and low speed compression and rebound. These shocks offer the most versatile package for ultimate performance in any application. When you are making no compromises, the MOD series coilover is the shock for you.Easy, Bolt-In InstallationOur commitment to thoughtful product design is evident in every product we produce, to deliver the highest level of performance, while ensuring trouble-free compatibility.Made in the USAQA1 coilovers are proudly made in Lakeville, Minnesota. Fitment NotesDoes not fit Cobra IRS