UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 RS200220 Big Ford w/

Big Ford w/

All kits come complete with hardened parallel-ground washers and high quality nuts

Amazing fast-acting PRIMASCRUB® formula dissolves brake-dust

0 Constant Controlled Resistance Performance

Header and oil pan clearance maximized for easier maintenance and installation

UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 RS200220 Big Ford w/A 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. UMI's 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