UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 Helmet Aero Cap 2005-2008 GMC Envoy

2005-2008 GMC Envoy

5mm Coil Wire/HEI Dust Cover/Coil Bracket

re more likely to find what youâ

Pillar / Ditch Lights

and it shows in our products

UMI Performance Rear Spring Kit - Stock Height - Black - GM A-Body 1964-66 Helmet Aero Cap 2005-2008 GMC EnvoyA 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