UMI Performance 78-88 GM G-Body Solid Front & Rear Sway Bar KitUMI Performance solid sway bars are designed to reduce body roll, understeer and increase cornering capabilities resulting in a more balanced suspension. The 1. 250 front sway bar is more rigid than the factory 7 8 front sway bar and comes complete with new Energy Suspension end links and greaseable sway bar bushings. The rear sway bar is 1 solid and is supplied with new grade 8 mounting hardware. UMI Performance sway bars are manufactured from 4140