Bruno Mueller Active Member Joined Feb 11, 2025 Messages 43 Reaction score 76 Location Germany Today at 6:11 PM #1 Guys, I am looking for a delivery address for spark plugs with 3/16 x 40 thread.
stevehuckss396 Model Engineer Project of the Month Winner HMEM Supporting Member Joined Nov 19, 2008 Messages 4,977 Reaction score 1,741 Location Sterling Heights, MI Today at 8:17 PM #2 Same as #10-40. Rimfires are out there somewhere. I think the Chinese are making them now also.