90011L - Control Arm Roto-Joint End, ¾”-16 Left Hand Thread- GM A, G & F-BodyThis fabricated Roto Joint is designed to replace spherical rod ends on UMI Performance control arms for the 1964 1972 GM A Body, 1978 1988 GM G Body and the 1982 2002 Camaro Firebird. This item will also work on many other brand control arms for the above listed vehicles that utilize a 16 left hand threaded rod end. See part # 0011 for right hand threaded Roto Joint. This Bushing end is designed to replace 16 left hand threaded rod ends by simply