Guys - I have a pair of 2&1/2 brakes for a 9 inch - they're complete from the backing plate to the drums, the cylinders and shoes are used but have life left in them. As a setup they will offer greater performance than 2 inch brakes but aren't concours correct...
Need to swap for a similar set of 2 inch brakes from a 67-70 car like a Mustang, cougar etc without the finned durms.
2 inch brake drums will have shoes that measure about 1&3/4 across...