Genuine OEM Ford Right Rocker Arm For 6.7L FC3Q-6A585-ADCondition: REBUILDABLE CORE USED The Ford FC3Q6A585AD FC3Q 6A585 AD Rocker Arm is an essential component in the valve train of Ford engines designed to convert the rotational motion of the camshaft into the linear motion required to open and close the engines valves. Constructed from high quality materials this rocker arm ensures durability and efficient engine performance maintaining proper valve operation and timing for optimal engine efficiency.