looking to buy 12.25" wilwood / coleman rotors. a stock 73 911 rotor is 20mm thick correct?

what is the thickness of the little "boss" on the rotor that has the hole pattern to bolt to the 911 hub.
like 10mm or so correct?
also - what is the bolt spacing on the rotor, where it bolts to the hub?

ideally i need a wilwood rotor 12.25 x 20mm thick, and an ADAPTER/HAT the thickness of the 'lip' on the 911 rotor, to adapt the wilwood rotor to the stock hub.

mike - make me a cad drawing LOL

you might have problems fitting your caliper inside the wheel unless you have larger wheels.

Bernie

QUOTE (bernbomb914 @ Jul 8 2005, 08:43 AM)

you might have problems fitting your caliper inside the wheel unless you have larger wheels. Bernie

caliper location doesnt change. just a bigger rotor to utilize the whole pad. im told some people had to sand/grind a tad off teh caliper to clear 15" wheels. no big deal..... and when the rotors are only 30 bucks....its worth doing