UMI’s performance lowering springs are built to lower the 4th Gen rear approx. 1.5” and increase the spring rates for a crisp handling experience. UMI rear lowering springs are Made in USA of 9254 CrSi wire in the rear and feature 200 lb/in linear rear rate that 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 200 lb/in rate, 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.
Works best with Koni, Bilstein or other equivalent standard mount damper.
UMI Performance 93-02 GM F-Body Lowering Springs Rear 1.5in Lowering
Works best with Koni, Bilstein, or equivalent standard mount dampers
Designed in collaboration with a leading spring cup engineer
Consistent rates and premium Chrome Silicon wire materials
Linear front rate of 600 lb/in and rear rate of 200 lb/in
Compatible with popular dampers such as Koni and Bilstein
Suitable for Pro-Touring, Auto-x, and general cruising
Suitable for Pro-Tour, Auto-x and general cruising.
Firm yet comfortable ride with exceptional handling
Approximately 1.5 inch lowering for 4th Gen rear
Increased spring rates for improved handling
100% designed and manufactured in the USA
UMI/Bilstein- Lowering Spring Set Rear
Made in the USA using 9254 CrSi wire
Reduces floating and body roll
200 lb/in linear rear rate
No more floating feeling.
Rear Springs
