These elbow kits will fit all remote reservior BREMBO master cylinders. They are not too difficult to install but if you have an obsolete master cylinder and your elbow is broken and leaking, here you go, you finally have an option. After removing the old elbow and oring seal thing, lube up the sealer thing and install it by carefully slipping everythig together...
There are 3 types available as you see in the photo, choose which type you need from the menu.