Parts such as the Left Cylinder Head: Screw,pan 5x18, Bolt,flange,10x87, Plug,spark(cr9eh9, Dowel,pin,8x14 are included in the St1100 Paneuropean 1996 (t) Austria Left Cylinder Head parts fiche.
The most reasonably priced component used on the St1100 Paneuropean 1996 (t) Austria Left Cylinder Head is the Screw,pan 5x18.
On this parts fiche the Guide,valve is the most specified component.