NFSBOSS said:After thinking about this more I find it hard to believe they are using off the shelf 2013 GT500 front calipers on the race cars. I don't think they will hold a thick enough pad to last a two hour race. We need more info on this.
From here:
http://www.motoiq.com/magazine_articles/id/2379/pfc-scores-win-at-daytona-with-johnson-and-roush-jr.aspx
Roush Racing’s No. 61 Ford Mustang Boss 302R GT was equipped with Performance Friction ZERO DRAGTM ZR54 calipers, ZRated® race discs, and Carbon Metallic® brake pads.
Pretty much the whole PFC package.