World Racing Products 305 heads #042650. 1.940 intake valve, 1.5 exhaust. NO polishing, grinding or welding has ever been done to them. They are complete with valves & springs. We ran these heads for 15 or so nights with a spec sprint car organization that has now gone to RaceSaver rules before the start of this season so we can no longer run them. $500 O.b.o.