UMI Performance 1967-1988 GM A/G-Body 2" Lowering Spring Set - Rear MT850BK thermal treating and finishing processes

thermal treating and finishing processes prior to shipment

And Mounting Hardware

Real carbon fiber gauge up

Requires no cutting

Lets the racer easily mount Morse(R) cable to Holley(R) 4150/4160 carburetors

UMI Performance 1967-1988 GM A/G-Body 2" Lowering Spring Set - Rear MT850BK thermal treating and finishing processesA 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 530 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