Factory pre-assembled braking system pad set for constant and exact braking. High-precision, ultra-efficient metal stopping system pads are CNC-machined and accuracy ground on both edges for an ultra-smooth area complete to be sure optimum stopping effectiveness. Brake pad backing meals are heat-treated for optimum lifespan. Unique high-grip stopping system pad product is incredibly fused to supporting meals for high resistance to generated temperature build-up. Couple of 4.