Sold the Boss and have Giro Disc front rotors for sale. Two piece design with light weight 6061 aluminum center hat section. Stock rotors weigh @ 25 lbs. ea. and Giro Disc @ 20 lbs. ea. Nice 10 lb. reduction in unsprung weight. Used for @ 6 track days and in excellent condition. Retail: $ 800.00, selling for: $ 495.00. Please PM me for photos and for additional details click on the following Giro Disc website link; http://www.girodisc.com/Girodisc-Front-2pc-Floating-Rotors-for-Boss-302-Mustang_p_6419.html