KX/KXF & RMZ rotor bolt kit for front and rear rotor. Includes (4) M6 x 13mm front bolts and (4) M8 X 15mm rear bolts. Known fitments include: Kawasaki KX125 86-05, KX250 86-07, KX250F 04-14, KX450F 06-14, KX500 86-04. Suzuki RM125 86-07, RM250 86-08, RM-Z250 04-14