Sixity Front Rotor 2003-2009 Suzuki LT-Z400 QuadSport Z Set Full Kit CNC Laser cut slotted design improves rotor cooling and significantly reduces weight for improved acceleration, braking and high-speed steering performance. Double-side diamond ground surface provides extreme flatness and parallelism. RF-Induction hardened brake discs measure Rockwell HRC-38 for an optimal balance between friction coefficient and rotor hardness. Compatible with organic, semi-metallic, sintered metal and high-performance ceramic pads. Made to OEM dimensions, ensuring accurate fitment and easy installation.