Hello.

Here is a 77-78 Honda cb750 sohc F model (F2. F3) cylinder head up for sale.
Maximum ported.
Number 410 head.

Here are a few details:
Started with a good, finned cylinder head (SuperSport)
Blasted.
Surfaced.
Maximum ported.
CycleX higher lift valve guides.
The best cast iron material (CycleX/ Kibblewhite)
Oil drain redirect procedure has been done.
Tapered valve guides have been reamed and diamond honed to off the shelf CycleX valves.
Multiangled valve job.

Guaranteed performance up grade on larger displacmenty engines.


Note:
You will need guides, springs and seals.   
Let us know if you have any questions or need more photos.