Stihl cylinder identity

[Mafun464]

I received these cylinder in a trade from a buddy. Was hoping to get them identified.

 

[Woodslasher]

Necesito mas pitchers, por favor. Bore size and pics of the castings on the side wouldn't hurt either.

 

[Mad Professor]

^^^^and picture of the top to show plug location.

 

[Mafun464]

For some reason this picture didnt get posted

 

[Jacob J.]

Stihl 044.