Small block headers: worst to best fitting. List your experience.

Best fitting headers in the standard 1-5/8 tube size is

Summit Racing - then a tie between
Hooker and the non standard and expensive TTI stepped header.
Hedman was also very good.

Everything else sucked *** and needed to meet my adjuster, Mr. S Hammer Jr.. Mr. Sledge is a good friend of mine. I met him during a concrete job I had. He introduced me to his son. A nice, but small fella I call pocket Hercules. He always persuades items (headers) that think there tough. I’ve only had to call his Dad once. (Not a header job.)