Rear 6-Piston Brake Caliper Kit M8 Softail, Chrome6 Piston Differential Bore Rear Brake Caliper Kit drastically improves braking performance on 2018 later M8 Softail models Innovative design allows you to keep factory brake lines eliminating the need to replace troublesome factory ABS lines (only kit on the market) Includes Ness 6 piston differential bore brake caliper Each kit includes billet caliper bracket, brake caliper, jumper brake line, banjo bolt and any necessary installation hardware Rear