As I said I havs a 2005 s40 t5 that does not run need to know head casting number location on head. thsnks

 

On the 850 you can find it on the firewall side of the head about 4 inches from the timing belt side, just under the lip of the seam where the cam cover attaches. You may want to contact Clearwater head company in FL, those guys likely know for sure.