Section 15 (2.7L Engine (Service Information)): Arms-Rocker: Description
WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of DAIMLERCHRYSLER CORP.
The rocker arms are composed of steel stampings with an integral roller bearing (3). See Fig 1. The rocker arms incorporate a 0.5 mm (0.0197 in.) oil hole (2) in the lash adjuster socket (1) for roller/camshaft lobe lubrication. See Fig 1.