GKTech - Z34 370Z FRONT UPPER CAMBER ARMS (FUCA'S)The GKTECH Z34 370z Front Upper Camber Arms (FUCA's) are used to adjust the front camber or caster. When you lower your car negative camber is introduced which reduces the contact patch of your tires and thus available traction. Our front upper camber arms will get this issue sorted! These arms are a direct replacement of the standard arms and allow for negative 2. 24" ( 57mm) through to plus 0. 78" (+20mm) of adjustment compared to the OEM arm. On a