H&R 05-09 Ford Mustang/Convertible/GT/Shelby GT/Shelby GT-H V6/V8 Super Sport Spring 2019-subaru-brz-esi3434522 A chassis upgrade in one

A chassis upgrade in one box

AMAX technology simply maximizes the area under the lift curve but without compromising reliability or valvetrain stability

Auto enthusiasts who have forced induction engines

which allows you to connect a purge valve directly to the body of the nitrous solenoid for clean looks and less plumbing

Using this specific combination of bushings allows the most comfort and control under any driving conditions

H&R 05-09 Ford Mustang/Convertible/GT/Shelby GT/Shelby GT-H V6/V8 Super Sport Spring 2019-subaru-brz-esi3434522 A chassis upgrade in oneOnly from H&R, Super Sport Springs have all the features of Sport Springs, plus additional lowering great for the seasoned enthusiast looking for a little more. These high tech progressive springs retain superior ride comfort. The handling of your vehicle will be improved with a lower center of gravity. H&R'super Sport Springs give your vehicle the best looking performance stance. Installation Instructions