The calipers for Buddy Club Racing Spec Big Brake System are manufactured from Cast Monoblock Aluminum, using the most technologically advanced process and materials available, to produce a braking system that exceeds the vehicle manufacture s brake performance standards, giving the driver the utmost braking control on the street and the track. This attention to details gives the Buddy Club Big Brake Kit the ability to have decreased pad and rotor wear as well as lower operating temperatures than other Big brake Kits on the market, giving you the winning edge.