jpatanio: if you have the rotor dimensions that will save me the time to spec it out. Backspacing, od... or the part number is cool. I really want to offer a single peice rotors as a selectable option, since I think what keeps most from upgrading is the price.. now I know the US brake rotors are pretty decently priced. but a single peice should knock off $200 per axle pair. I like US brake since the quality and rigidity is better then willwood and the price is similar and Brembo while accepted universally as the gold standartd, wants crazy money even if for an off the shelf part number.