http://www.scootdawg.net/attachment....1&d=1360013294
now lets get real..you say hoca and ebay stuff is the only place that has a true 50mm head.....now this is a TRUE performance head big valves-3-angle valve seats-port by hand- detailed bowl porting-profiling. trust me when i tell ya this is the only true performance head out there... that stuff you got there is nothing on this.........buford