GKTECH - Z34 370Z / G37 4130 CHROMOLY SUPER LOCK LOWER CONTROL ARMSThe GKTECH Super Lock front lower control arms simplify, improve and replace the front lower control arm and compression rods on the Z34 370z G37, while also supporting around 65+ degrees of steering lock. These arms are designed based off CMM data, they are CAD designed, FEA tested, have CNC machined ends and the main body is laser cut and bent from 4130 Chromoly Steel. These arms are adjustable, at their minimum length they start at +32mm over OEM