Galfer rotors are characterized by their excellent quality. All Galfer rotors are laser cut, made of a high carbon/stainless steel 420 material, pre-heat treated and double disc grind finished to assure parallel and perfect flatness. Galfer uses only the latest technology available when manufacturing replacement rotors. Galfer's 420 stainless steel compound is unique to the Galfer product line, specifically made to meet their technical requirements and specifications. After years of research and development, Galfer has patented the WAVE Rotor technology. -Makes all front ends lighter than stock by almost 4 pounds -Self cleaning and cooling action as it rotates -Full floating -Made of High carbon content stainless steel, unique for providing a high level of friction, and a good heat dissipation -Specifically design for high speed Racing, performing very well on the road -CAD/CAM laser cut, first the metal sheets pass a stress relieve process, and then we laser cut them, this makes the product perfectly flat. VERY IMPORTANT: GALFER WAVE ROTORS ARE ONLY TO BE USED WITH GALFER BRAKE PADS, ALL OTHER BRAKE PAD COMPOUNDS VOID WARRANTY.