Hawk Performance HB719U.668 Hawk 2014 Porsche Cayman DTC-70 Front Race Brake PadsHawk Performance HB719U. 668 DTC 70 The Hawk DTC 70 race compound was engineered with extremely high torque and highly aggressive initial bite for cars with high deceleration rates, with or without downforce. With superior release and control characteristics, it's a winning race solution on its own or as split friction with DTC 60. Expert Opinion DTC 70 is more aggressive than the DTC 60 but has the same temperature range. Many racers of Corvettes,