UMI Performance 78-88 G-Body Lowering Spring Kit 2in Lowering

If you're looking to give your 1978-1988 G-Body a sportier stance and more responsive handling, this lowering spring kit from UMI Performance is a solid option. These springs are designed to lower your vehicle by about 2 inches, reducing body roll and that common floating feeling you might get from stock G-Body suspension. They're built to work well for everything from spirited street driving and corner carving to more demanding Auto-x and Pro-Touring events.

UMI didn't just wind any old springs; they worked with a Sprint Cup chassis engineer to get these right. The front springs are made from 5160 CrSi wire with a linear 600 lb/in rate, while the rears use 9254 CrSi wire with a 130 lb/in rate. This linear rate setup means consistent handling characteristics, and the increased stiffness helps keep the car flatter in corners. They're finished with a tough black powder coat to resist corrosion and are proudly made in the USA. These springs are engineered for a 2-inch drop with standard SBC or LS engines, though lighter cars like the V6 Turbo Grand National might need spring trimming. They can also accommodate full-weight Big Block applications if you're aiming for a slight nose-down rake.