Dropped a keeper

[BrokenSockets]

Hi,

Doing the valves in a Twin-II and I dropped a keeper down one of the holes in the casting where the valve stems and springs are.

What do I do now?

 

[Scrubcadet10]

Do you have a picture of where it went?
See if you can fish it out with a magnet on a stick, or a small grabber tool.

 

[BrokenSockets]

One of the two big holes opposite the side where the valves are. Not sure which one. It popped. Where do they go?

 

[Scrubcadet10]

Is this a flat head engine or overhead valves?
Model # would be very helpful too.