1)rocker arm adjustment,摇臂调整2)rocker arm adjustment screw,摇臂调整螺钉3)rocker arm adjustment screw locknut,摇臂调整螺钉锁紧螺母4)special exhaust rocker arm adjusting screw,专用排气摇臂调整螺钉5)unit injector rocker arm adjusting screw,单体式喷油器摇臂调整螺钉6)vlave rocker adjusting screw,阀摇臂调节螺钉