UMI Performance 2" Lowering Suspension Spring Kit 4 Springs BlackGM G-Body 1978-88 - Kit Weatherproof Connector Available to fit a variety

Available to fit a variety of popular gauge and cage dimensions

2013 - 2015 BMW ActiveHybrid 3

Pontiac 1958 and later

1989-1990 GMC Tracker

UMI Performance 2" Lowering Suspension Spring Kit 4 Springs BlackGM G-Body 1978-88 - Kit Weatherproof Connector Available to fit a varietyA spring is a spring right? Wrong! When UMI chose to manufacture our own line of springs we went all out. Designed in conjunction with a leading Sprint Cup chassis engineer, these springs are the best in the business. Our front springs are wound from 5160 CrSi premium wire and feature a linear 600 lb in rate. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb in rate. The linear rate provides consistent handling