Scale Component in Length Without Affecting Half Circle End Caps

I have a component (stiffened bulge, not sure what to call it), that I tried to scale in Z axis only (length). The end caps (half circles) became distorted. Is there a method of scaling the body without affecting the end caps?

Thanks for any help/suggestions.

Scale-Stiffner.skp (193.0 KB)

The bulges are unique components.
The face is a group.

Turn on hidden geometry and select the end parts. Then just use the move tool.



Shep, thank you for your quick solution. Sometimes I get fixated on an approach (scale, in this case) and cannot back up and see the bigger picture.

You bet