supertiger 45 broken pressure nipple
 

Hi bax I have a supertiger 45 with a broken pressure nipple I know there are no parts available for these engines anymore but I have some os mufflers laying around I was going to use the nipple out of a old fp20 but the nipple threads are different can you tell me what the os thread and pitch are

You can buy them from Dubro and if needed retap the hole. Usually 6-32 or 8-32 depending on size.