K8-101009, Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched braking performance, 100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed, Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions, Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in, Tested for maximum tolerance to voluminous amount of constant thermal cycles, CNC-Machined to the tightest tolerances to guarantee manufacturing precision and accuracy, Thickness and Metallurgy electronically validated for manufacturing consistency, Kit Includes: 2x Front Disc Brake Rotor (Both Side) + 2x Rear Disc Brake Rotor (Both Side), Kit Variations: K8-100999