indeed it is , so is the viscosity chart in the FSM / owners manual and your climate ambient temps
used in concert together , your can't go wrong ........... :)
- you can become enlightened and learn all about your factory owners manual " Viscosity Chart " , then Choose Wisely form there on out
- remember , your FJ60 2F was designed before FULL Synthetic motor oils became common place ,
- its much less about ANTI-WEAR and more about 2F's current...