The Electron Sport/Pro System ZL1 rotor assembly upgrades the front brakes to a professional race quality 390mm with 72 directional vanes rotor system. • All Pro-System rotors are machined in Mooresville, North Carolina from specially formulated grey cast iron. This provides the best in thermal stability, friction coefficient and heat transfer characteristics • Pro-System rotors are supplied pre-bedded ready to race to eliminate costly and time-consuming bedding on track. Electron Sport and Pro System Brakes combined efforts to develop this rotor upgrade. These front rotors are to be used with Pagid pad shape 8081 with the ZL1 caliper.
