I have a set of 1 3/8" primary tube, long tube headers that I believe are Bavarian Auto Sport from back in the day. They may show very rusty in the picture, but are only surface rusted and do not have any of the usual rust pitting. There is one flat spot on the side of one of the tubes If you go back to postings on May 12th, a fellow named Aguirola posted a thread titled "Took engine out, now what?' If you scroll down through his thread, you can see a restored set of what I believe to be the same headers. I base this on the way the flange plates are made as I have only seen these on these two sets of headers. Stahls are straight across and do not have an indentation between cylinders. I am thinking
$670 shipped CONUS. If any one is brave, Instead of watching the tube I have another set needing some heavy duty restoration I will sell for $350, brand way unknown