This is a set of new 2005-2014 mustang stoptech st40 4 piston saleen mustang calipers(complete with pads) brackets, and stainless lines for a 2005-2014 mustang. NO ROTORS. This is a 4 piston 14in kit! The part number for this kit is 82.330.4700.51. If you want two piece rotors they are Part numbers 401601 401600 One piece rotors can be had for about $145 each. Here are the part numbers. 30.330.1113 30.330.1114 Your stock rotors will not work. If your want a complete 15in 6 psitons see my listing here. https://www.svtperformance.com/foru...5in-6-psiton-and-14in-05-14-mustangs.1154788/ PM ME 650 shipped paypaled!!!!