It's for my D300, but may fit others. Just so you know they ARE out there new.
This one was not in stock locally but will come from the warehouse...2 days.
Raybestos MC 22976 ($160 Canadian) New not rebuilt or a kit.
This is what's on the truck now for comparison.
![Image](http://img.photobucket.com/albums/v20/psatchwill/1962%20Dodge%20300/MasterCylsFromPassSide.jpg)
![Image](http://img.photobucket.com/albums/v20/psatchwill/1962%20Dodge%20300/BrkMstrCylPrtNumber.jpg)
I'll post a pic of the new one when I get it.