I have the NAPA # for the IH PCV valve on my web page. http://members.tripod.com/~IHCaholic/faq/faq.html look in the part number section ---------Dan Nees--------- cookiedan@domain.elided 2 1979 Scout II's and one 1971 Scout 810 http://members.tripod.com/~IHCaholic/scoutindex.html