There are many factory design differences between cars from year to
year. There are even more differences that have been caused by
exchanges with after market parts or parts from later year Porsches.
What does a 912 engine look like with the sheet metal off?
A part number cast on the heads.
Solex intake manifolds
Solex intake manifolds and view of the spark plugs.
Detail of input manifold showing part number
Top of intake ...
