Quick view UMI Performance UMI Performance 82-92 GM F-Body Front Weight Jack System 850lb Street Handling - 2065-1-R Compare $429.99 $386.99 UMI’s 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 bucket... Add to Cart Add to Cart
Quick view UMI Performance UMI Performance 82-92 GM F-Body Front Weight Jack System 850lb Street Handling - 2065-1-B Compare $429.99 $386.99 UMI’s 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 bucket... Add to Cart Add to Cart