the cylinders themselves. The deal was the only needed the nicasealed (if thats spelled right) now its turned into domes, piston, the cyl. welding. I hear u about the pics and SF should have been more leery but he asked all the questions no the less, and was told they were fine. I think thats just a crappy way to do buisness. LIke the say you can sheer a sheep over and over but scalp him only once.