Our lift shackles are constructed of 3/8in thick steel. All corners are rounded to avoid interference problems. New grade 8 hardware is included with each shackle lift, along with detailed instructions. Sold in Pairs.Easy bolt-on installation.  Increased ground clearance.  Allows springs more movement and articulation.  Features rounded corners to avoid interference problems.  Sold in pairs.  2-3 hours1984-2001:2WD:Jeep:Cherokee XJ;1984-2001:4WD:Jeep:Cherokee XJ