This kit allows you to install YJ springs under your CJ. YJ springs are .5″ wider than stock CJ front springs and slightly longer. Updating your CJ to YJ springs will improve the ride quality with larger improved bushings and less friction between leafs. Installation of YJ specific lift springs will increase the wheel base slightly over 1″.Additional Attributes:GTIN:00711745604599Bracket Material:SteelInstallation Time:6-8 HrsProp 65 (C| R or CR):CRProp 65 Short Label:WARNING: Cancer and Reproductive Harm https://www.p65warnings.ca.govProp 65 Warning Label:p65.jpgProp 65 Yes/No:YesPvg Product Status:ActiveExtended Information:Emissions :Emissions Compliance ExemptLife Cycle Status:Available To OrderPackaging:Quantity of Each:1Package UOM:EADimension:21.0000 x 8.0000 x 5.0000 inchesWeight:33.1000 PG