wow, they are that much lighter than the one piece units? At $600/pr I guess they oughta offer something.
Have you weighed one rotor assembly with hat and hardware or was this from Wilwood? Also - I assume you mean the 2 pc iron rotors, not their new carbon ceramic setup? lol
http://www.wilwood.com/BrakeKits/Bra...%20Brake%20Kit