Firestone 3in. Air Spring Lift Spacer Leaf Mount - Pair (WR17602367)Install Ride Rite air springs on a lifted vehicle with these lift spacers. Spacers attach between the bottom of the lower bracket and the bottom of the spring on vehicles with a 2 in. lift. Kit fits air springs that mount on axle or leaf stack. Allow air springs to be installed on vehicles with 2 in. lift. Distance between upper and lower brackets must be between 7. 5 8. 5 in. Spacer must be same size as lift kit rise. Include 2 lift spacers and all