UMI Performance 64-66 GM A-Body Factory Height Springs Rear Drivetrain>Crossmembers upgrade to the Mishimoto kit

upgrade to the Mishimoto kit for increased reliability

Semi-gloss black powder coat finish

They feature the same great style and construction

LeSabre 1986-1977

Torque Solution Adjustable Rear Control Arms: Mitsubishi Evo X 2008+

UMI Performance 64-66 GM A-Body Factory Height Springs Rear Drivetrain>Crossmembers upgrade to the Mishimoto kitA 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. UMIs springs are designed to add modern handling and a crisp ride while maintaining the factory muscle car appearance. The rear springs are wound from 9254 CrSi premium wire and feature a linear 130 lb in rate. The linear rate provides