That head gasket for the 50 to 52 235 is not listed by most of the regular truck suppliers and some incorrectly include these years with the previous years.
Just to add to the confusion, the Canadian truck 216s in the 50 to 52 years used the 235 type head arrangement and the same gasket. One of the differences was that the rocker arm feed was sourced from the rear cam oil gallery area.
