Ford Model A valve guide driver Description: This is an original valve guide driver that was specifically designed to be used on the model A and Model B Fords. It is used to remove the split valve guides used on the Ford engines used in these models. It is stamped "Ford A & B". It is used by placing the end in position against the valve guide and hammering the top of the tool to remove the guide. A very useful tool for anyone working on one of these early Ford engines. Condition: Used Rating (4 out of 5) The tool is in good condition for its age showing minimal signs of use just some minor surface scratches and marks. Size: It measures approx 5 1/2 inches in length