1.2 CYLINDER HEAD The nested roller follower type rocker arms transmit cam motion directly to the valves. See Figure 1-22. 1. Roller Follower 3. Exhaust Valve Rocker Arm 2. Intake Valve Rocker Arm 4. Camshaft 5. Spacer Figure 1-22 Cylinder Head Assembly (Series 60G Engine) (Rev. 2005) All information subject to change without notice. 1-32 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION