Rocker Arm, Valve: Description
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The intake and exhaust rocker arms have their own rocker shafts and are lubricated by passages intersecting the main oil rifle in the cylinder block. Each rocker arm to operate two valves by incorporating crossheads. The Rocker Arm pushes down on the Crosshead and the Crosshead pushes down on the valves to open them.
The solid push rods are hardened at the rocker arm and tappet contact areas for superior strength and durability.