Belltech 6401 Shackle Kit Belltech Shackle Kits are designed drop the rear of your Sport Truck or SUV up to 2 inches 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 Specifically made for your vehicle with guaranteed fitment OEM ride quality with added performance, control and comfort Designed to lower the rear of your vehicle Takes care of the changes in length of the spring as it moves up and down Retains factory ride quality Long lasting durability Easy installation