GZP Drilled St.st. Rotor 11.5" polished

Fits 11.5" front on all single disc Sportster and FX models 1974 thru 1977. Rotor has 11.5" outer diameter, 5 bolt special center hole and 1/4" counter sunk mounting holes., Disc rotor (OEM 41807-74)

Made of chromium alloy Stainless Steel and precision ground for trueness, Surface induction hardened with a 12- 14% chrome contents for superior wear characteristics on full standard A1S1 #420 Stainless Steel plate. Rotors are compatible with all types of disc brake pads including sintered metal and are mirror polished. Drilled rotors provide better braking in wet weather, dissipate heat more efficiently, and reduce unsprung weight.