The Alcon rear brake kit fits 2017-and-newer Ford F-250 and F-350 trucks and includes 363 x 38 mm rotors with a four-piston rear caliper package. Offered as a direct rear axle replacement, this kit lists measurable gains over stock braking: up to 14% reduction in padwork rate, up to 5% more available brake torque and up to 5% reduction in pedal effort. It is intended for matching rear braking to upgraded front systems.
Alcon 17-22 Ford F250/F350 363x38mm Rotors 4 Piston Brake Kit - Rear