The Crankcase Bolt Pattern assembly is constructed from several parts from which the Bolt-flanged is the most expensive.
With a quantity of eight pieces, the Bolt-flanged is the most used part in the CRANKCASE BOLT PATTERN diagram.
This schematic depicts all components used in the En400a2 Vulcan 1986 Canada / Liquid Cooled Crankcase Bolt Pattern partslist.
