This is a 3406B Cat cylinder head we did a valve job & surface rebuild to. The thickness of the head varried as much as .006 (six thousandths) before we machined it. We set it up & leveled it on our Dual Axis Leveling Table on the Rottler EM105H & got it within a thou. from end-to-end.
Motor Mission Machine & Radiator 5435 Desert Point Dr. Las Vegas, Nv. 89118 Ph: (702) 649-2366 or (702) 649-0648 Fax: (702) 649-4133 www.MotorMission.com Facebook.com/MotorMission