It seems they had a hard time getting a consitent result from thier old annodizing process, so they came up with a new industrial coating for those that are really going to punish their brakes.
I do believe it's a type of nickle finish and I think this is one of the first sets. Now I just need to get them on the car...
Photography by David Pozzi
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"A ship in port is safe, but that's not what ships are built for."
See Bad Penny run the cones:
https://www.youtube.com/watch?v=8GUPPIX-92U
1971 Chevelle Wagon - Roadster Shop Chassis ProCharged Shafiroff LS and lots of yada yada
1968 Camaro - Project Track Rat - 440 RHS LS