UMI’s performance lowering springs are built to lower the 4th Gen approx. 1.25” - 1.5” (1.25” front and 1.5” rear designed to level the car) and increase the spring rates for a crisp handling experience. UMI springs are Made in USA of 5160 CrSi wire up front and 9254 CrSi wire in the rear. The 600 lb/in front rate and 200 lb/in linear rear rate reduces floating and body roll while still allowing for comfortable cruising and performance handling. Think of it as permanent sport mode! These springs work with the popular Koni’s and Bilstein’s along with other factory style dampers. 100% designed and manufactured with pride in the USA.
As an industry leader in the muscle car suspension industry, UMI is proud to bring you the best spring in the business. Designed in conjunction with a leading spring cup engineer we are proud to offer the highest quality spring choice available.
UMI springs lower 4th Gens 1.25–1.5", improve handling with 600/200 lb/in rates, and reduce body roll without sacrificing ride comfort. Made in the USA from premium CrSi wire. Works great with Koni, Bilstein, or stock-style dampers.
Consistent rates and only the best materials (premium Chrome Silicon wire) ensure your cars sits properly for years to come.
Linear spring rates (600 lb/in front, 200 lb/in rear) provides a firm yet comfortable ride and incredible handling.
Lowers 4th Gen 1.25–1.5", firm ride, crisp handling, Made in USA quality.
UMI Performance 93-02 GM F-Body Lowering Spring Kit 1.25in -1.5in Lowering
Works best with Koni, Bilstein or other equivalent standard mount damper.
Designed to level the car and increase spring rates for optimal handling
Suitable for Pro-Tour, Auto-x, and general cruising applications
Designed in collaboration with a top spring cup engineer
5160 CrSi wire up front and 9254 CrSi wire in the rear
Compatible with popular dampers like Koni and Bilstein
Front rate of 600 lb/in and a rear rate of 200 lb/in
Suitable for Pro-Tour, Auto-x and general cruising.
Firm yet comfortable ride with superior handling
Made in the USA with high-quality materials
UMI/Bilstein Lowering SpringsFront/Rear
1.5” (1.25” front and 1.5” rear)
Lower the car approximately 1.25”
No more floating feeling.
Lowering Kit
