UMI Performance 64-72 GM A-Body 78-88 G-Body 1in Lowering Spring Rear

A spring is not just a spring when it comes to UMI. Our line of high-quality springs, designed in collaboration with a leading Sprint Cup chassis engineer, sets a new standard in the industry. Made from premium 9254 CrSi wire, our springs feature a linear 130 lb/in rate for consistent handling characteristics. Say goodbye to body roll and that "floating" feeling often experienced with A-body vehicles. These springs are perfect for Auto-x, Pro-Tour applications, and corner carving/cruising.

With a durable black powder coat finish, UMI proudly manufactures these top-notch springs in the USA. As a trusted name in the muscle car suspension industry, UMI guarantees the best performance with our springs. Enjoy a firm yet comfortable ride and exceptional handling thanks to our linear spring rates of 530 lb/in front and 130 lb/in rear. Experience the difference with UMI springs – no more floating feeling, just superior performance for years to come. Suitable for Pro-Tour, Auto-x, and everyday cruising needs.