Z23 Carbon-Fiber Ceramic formula offers excellent braking performance. Low dust formula brake pads designed to maximize stopping power and keep those wheels clean. Premium stainless steel shims provide better heat dissipation And virtually noise-free braking. Chamfered and slotted pads ensure noise-free braking, just like the OE pads. Premium stainless steel shims provide better heat dissipation And virtually noise-free braking.