were these rotors a specific Wilwood item, or are they an item used in another application ?  The Strange brake kits had the one piece rotors. The Wilwood kits I've installed were 2 piece that you needed to safety wire which to me is a pain. Gus Fortunately I live in the Air Capital (all kinds of aircraft companies) so it was as easy as having my neighbor do it on his lunch hour. He didn't even charge me. 
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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