Twin Power 2017 M8 Model Except FXBR/S FXFB/S and FXDR/S Compensator Assembly Replaces HD 40100076

The Twin Power™ Premium M8 Compensator Kit has been re-engineered for better performance and reliability, while handling increased torque and horsepower. Kit includes a precision CNC-machined 34T compensator sprocket and retainer nut, heavy-duty spring pack, heavy-duty thrust bearing and washer, shaft extension, and a heat treated and polished slider cam for a smoother operation.