4 – M12 threaded holes in center.

Avoid load peaks and vibrations in the powertrain with this Torsional Damper from LuK. It ensures your driving comfort by reducing engine vibrations. Torsinal vibrations will cause premature wear in a crankshaft. Unless rebuilt or replaced this can cause the crankshaft to develop cracks, resulting in crankshaft failure. Schaeffler LuK Clutch makes original equipment quality replacement clutch components for a wide variety of vehicles & agricultural machines.