What are these pistons for?

[72mk1escort]

They are 80.985mm and +40" all i know is that they are for a ford can anyone tell me what engine they will fit though i am pretty sure their crossflow any help would be really appreciated.

 

Thanks

[antz]

pics would help

[72mk1escort]

All i can say is they look like the 1600 crossflow ones with them cut outs in them and the measurements are as above i cant get a picture as i havent got them

[antz]

well the xflow did have 2 sorts of pistons and a few different tops designs from what i remember.

 

whats the part number on the top of the piston?