S&S Cycle 50-8057 S&S Cycle 1.160in x 1.480in x .046in External Pinion Bearing Retaining Ring

Steel retaining ring used on 1930-later big twin engine flywheels and 1986-03 XL flywheels. Located externally to the pinion bearing race on the pinion side of big twin flywheels, replaces OEM p/n 11177A.