Alcon CRB343 "Motorsports" 4 Piston Calipers (PAIR)Alcon CRB343 "Motorsports" 4 Piston Calipers (PAIR) Engineered for serious track duty, the Alcon CRB343 delivers the stopping power and modulation demanded by motorsport applications. These four piston calipers feature a compact, lightweight design that minimizes unsprung mass while maximizing brake response. The dual pad configuration provides consistent pressure distribution across the rotor, reducing fade during sustained braking zones and enabling