Part no Description weight MM0391712 Head sub-assembly 9765 1057605280 / 10 5760 5280 Head ball 480 1094305023 Head stub bolt sub-assy 332 1022075736 / 10 2207 5736 Eccentric bushing 456 1068868619 / 10 6886 8619 Main shaft 4420 1048727628 / 10 4872