XA5C202, Brembo 6 piston Monobloc caliper. This caliper has a integrated top bridge to increase structural stability, Aluminum pistons, Cross drilled Titanium heat dissipation radiators on each piston, All internal fluid passages. 210mm spread for 12mm studs. This caliper is considered a narrow body for 1980 pad shape. Standard pad thickenss is 22mm with a 32mm wide rotor. RH.