300 V6-3.5L (2008)
Rocker Arm Assembly: Description and Operation
Description
Rocker Arm
ROCKER ARM
Rocker arms are made of light weight permanent mold aluminum alloy with a roller (3) type follower operating against the camshaft. The valve actuating
end of the rocker arms are machined to retain hydraulic lash adjusters, eliminating the need for manual valve lash adjustment.
Rocker Arm Shafts
ROCKER ARM SHAFTS
The rocker arm shafts are tubular steel and are supported by several forged aluminum alloy pedestals, which are fastened to the cylinder head. Four
shafts are used, one for each intake and exhaust rocker arm bank on each cylinder head. The shafts are hollow to provide a duct for lubricating oil flow