Team Z Motorsports offers replacement Insert Bushings for your Lower Control Arms utilizing a 3/4â€³ x 3/4â€³ Rod End. Constructed from 6061 Aluminum for high strength and lightweight. They are designed to work with 94-04 Team Z Lower Control Arms that come standard with these inserts. 94-04 Inserts require 14mm bolt hole. Proudly made in Detroit, Michigan.