Quick view UMI Performance UMI Performance 82-92 GM F-Body Front Weight Jack System 1050lb Race - 2065-3-R Compare $449.99 $404.99 UMI’s competition 3rd Gen F-Body front weight jack system replaces the factory spring with a tough, adjustable weight jack bucket and a custom wound ultra-premium performance spring. This kit gives up to 2-½” lowering from factory height. The adjustment... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 82-92 GM F-Body Front Weight Jack System 1050lb Race - 2065-3-B Compare $449.99 $404.99 UMI’s competition 3rd Gen F-Body front weight jack system replaces the factory spring with a tough, adjustable weight jack bucket and a custom wound ultra-premium performance spring. This kit gives up to 2-½” lowering from factory height. The adjustment... Add to Cart Add to Cart
