JBA Upper Control Arms for lifted XKs (Part # JBA-6.7.00-SLB) When I knew I was having a WAM custom front bumper installed, I changed out my stock upper control arms with JBA Upper Control Arms for lifted XKs (Part # JBA-6.7.00-SLB) to help deal with the additional weight;
These JBA UCA's are head & shoulders above the stock UCA's;
