Parts such as the Flywheel: Nut,flange 14mm, Plate,side, Flywheel Assy, Bolt Flange 6x12 are included in the Gsv190a\n1r\14z2d403 Flywheel parts fiche.
The Bolt,flange,6x20 is the cheapest item from this partsfiche.
This schematic depicts all components used in the Gsv190a\n1r\14z2d403 Flywheel partslist.