Express 1/2 Ton Van V8-5.7L VIN R (1999)
Installation Procedure
Important: When new valve rocker arms and/or balls are installed, coat their bearing surfaces with a high viscosity lubricant containing zinc, such as
GM P/N 1052367.
1. Install the pushrods.
2. Adjust the valve lash.
3. Install the valve rocker arm cover.
