Late Monster 600 Top ends on Ebay
 

Spotted these on Ebay earlier and checked with the seller

http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=170590740386

They are Stamped with 8S so they will fit the 1999/2000/2001 583cc Monster that has the Bolt on Clutch slave on the left side of the engine