Here is a Wyvern model gas engine casting kit. What you see is what you get. If you do some google searching you can find more information about these kits. From what I found it seems that drawings and plans are available. Check out the pictures and see if you need it. Mostly cast iron but has an aluminum head. Looks like someone has bored it and machined the piston. It has a 1-1/4 bore. The flywheel are about 6-3/4 in diameter. Weighs about 16-1/2 lbs before any packing material or box. 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 “WYVERN MODEL GAS ENGINE KIT Antique Gas Hit and Miss Engine Steam Old Motor” is in sale since Wednesday, January 1, 2020. This item is in the category “Business & Industrial\Light Equipment & Tools\Stationary Engines\Engines”. The seller is “hitmissengine” and is located in Holgate, Ohio. This item can be shipped worldwide.