906 heads date codes

[1966satellite]

Does anyone know where to find the date codes on 906 heads? I have 2 sets.

 

[R/T Boy 67]

There are casting dates under the valve covers, as well as the casting numbers. They should be in a month- day- year format.

 

[1966satellite]

There are casting dates under the valve covers, as well as the casting numbers. They should be in a month- day- year format.

Thank You!

There are casting dates under the valve covers, as well as the casting numbers. They should be in a month- day- year format.

Thank You!