Here is a very nice head for a 1hp to a 2hp Hercules or Economy hit and miss engine. The valves and seats look and feel good. Check out the pictures and see if you need it. Fits a 1hp to 2hp Hercules or Economy hit and miss engines. 3/4″ carb hole, 1″ exhaust hole. The mounting bolts are about 2-9/16 apart from the next closest one on center. The valves feel good in their guides. The valve heads and seats look good. I would used some lapping compound on them before installing the head though. Thanks for looking at this listing! If you want to check out my reputation and such please feel free to google search my name. My name and address is. 14316 State Route 281. If you can find a way to talk to me with your voice you will almost always get a quick response. If you message me please try not to sound like a caveman. I have terrible grammar myself so I understand but sometimes it is very difficult to comprehend what some people write. If I make a mistake on my measurements or you feel something is not as described please let me know and I will try to make it right. I think most all of my customers with a normal level of sanity are happy. I think most people would agree that I do an extremely good job of packing items so I guess it’s worth the wait. Check out my other items. Be sure to add me to your favorites list. The item “HEAD with VALVES for 1hp to 2hp HERCULES ECONOMY Hit Miss Old Gas Engine” is in sale since Tuesday, January 1, 2019. This item is in the category “Business & Industrial\Light Equipment & Tools\Stationary Engines\Parts”. The seller is “hitmissengine” and is located in Holgate, Ohio. This item can be shipped worldwide.