well here is a gasket for the head i assume you'll remove it for inspection and youll need a new gasket to reseal it i also found the cam shaft for ya
[URL]http://item.taobao.com/item.htm?spm=a1z10.3.w17-6941574491.26.SRIUyp&id=8168087630&[\URL]
[URL]http://item.taobao.com/item.htm?spm=a1z10.3.w17-6941574491.46.mYnTwW&id=5769572658&[\URL]