The sport style a-arms are +3" wider and 1" forward placement made from 4130 chromoly steel. They feature 3/4" upper a-arms withï¿½ quick camber and easy caster adjustments. The lower arms are 1" tubing and come complete with new bushings and ball joints. A-arm kits also come with stainless steel tie-rods. The sport kits use standard length shocks but require aftermarket shocks with proper valving for optimum performance.ï¿½ï¿½A-Arms are backed by aï¿½LIFETIME WARRANTY. (excluding normal wear items).