O.E. style replacement 15T front sprocket for 81-83 Kawasaki KZ1000 J1-J3, 81-82 Kawasaki K1-K2 LTD, 81-82 Kawasaki KZ1000 M1-M2 CSR, 82-01 Kawasaki KZ1000 P1-P20 Police & 82-83 Kawasaki KZ1000 R1-R2 Replica. If you wish to order a different size sprocket to change your gearing, feel free to give us a call to order the size you desire.