Solas 101B Hub KitThe Solas 101B Hub Kit offers rubber construction to prevent deterioration. The design prevents the hub from spinning in the propeller and can be reusable if the propeller is damaged. Eliminates hub chatter and vibration.Application:Evinrude/Johnson BRP90 – 300HP 1976 – 90; 15 tooth spline 4-3/4″ GearcaseOMC/Cobra SterndrivesModel 800/Cobra/King Cobra 1978 – 90; 15 tooth spline 4-3/4″ Gearcase