Auto advance distributor features a zinc plated body and top. Distributor is completely assembled with gear and all internal parts and features a 2 bolt flange. For Overhead Valve Big Twin models. This is a single point type.
Distributor has an auto advance and can be used to upgrade your old system or for use on your ground-up build. No need for the left hand spark advance control, use a snap throttle on any handlebar. Front cylinder head must be removed for installation. Replacement for ignition advance rotor and points plate assembly available seperately. Order mount screw sets separatley. *NOTE: Drilling a hole in the plate helps to set advance when timing.