This is one of the gt40p heads as it was shipped to me. These came off an explorer with 30k miles.

The GTP serves as proof that these are actual P heads. The non P gt40s only say GT here.

10/29/05

The 4 bars on the ends of the heads are another identifying mark of the P heads. Non P gt40s only have 3 bars.

This is one of the heads (minus rockers) ready to go to the machine shop to be hot tanked and magnafluxed. I'm going to have a 3 angle valve job done and then have them reassembled with new springs and retainers.

This is the cam that is going in the engine. It is a Ford E cam with a duration of 220 and a lift of .498.