Belltech Shackle Kits are designed drop the rear of your Sport Truck or SUV up to 2 inches For some applications we also offer a 12 lifting Shackle Kits Belltech Shackle Kits are constructed from heavy gauge die stamped P&O steel to insure a perfect fit and superior quality All shackles are powder coated and feature OEM quality silent bloc (rubber) bushings & that do not need maintenance unlike polyurethane