I need 3, 4 inch piston rings for a F-20

I was taking the stuck rings out of my 4 inch pistons and I happened to break 3 compression rings. If anybody knows where I can buy 3, 4 inch compression rings for a F-20 please let me know. The standard bore size for a F-20 is 3 3/4, but these 4 inch pistons are an aftermarket set. Thank you
 
i would say you need a complete set of rings for all 4 pistons. why would you install used rings again.
try steiner@ 1-800-link_disallowed
measure ring thickness and even napa should be able to get them.
 
there is a guy who sells them on ebay for like $68 bucks a full set. I bought a set from him a year ago. They are probably the same ring as a 4 inch super M but not sure. It may cost you more to buy them individually than what you can buy the whole set for.
 
Actually, I only need two compression rings now. I figured the last ring was was going to break, but I got it out today. What's the name of the ebay guy? How could I contact him?
 
just look in the antique tractors and equipment, farmall, and type in piston rings and it should show. I'll look and see if I can find him again and get back to you.
 
I just looked him up in my history, says he's not an ebayer anymore. I sent him an email to see if he is still in the buisness.I thought he was in Iowa or somewhere out that way.
 
Contact Dave Reed at the Otto Gas Engine works. Give him the dimentions & he will make them if he doesn't have them.
 
Talk to your local machine shop, they can get open stock rings individually. Some auto parts stores can too.
 

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