1.5" REAR LIFT KIT SHACKLES. 1.5" Lift Powder Coated Shackles. Suspension Lift Kit 1.5" Rear Leaf Spring Shackle For 2004-14 Ford F150 2WD 4WD. 2004-2014 FORD F150 2WD 4X4 4WD. Suspension Lift Kit 1.5" Rear Leaf Spring Shackle For 04-14 Ford F-150 2WD 4WD.