1 7/8 Header Selection

I have the step 1 3/4 to 1 7/8 from them.
Great power makers. Not cheap, but quality piece
They are really nice. I have a local friend who has some on a small block Nova. They are an equal opportunity price gouging company too. Bout the same price for Chevy stuff. lol I say gouging tongue in cheek. With those, you actually get what you pay for. They're a work of art and VERY thick tubes.