I have used the Sanderson headers in a 49 car. They are worth the money. The flanges are thick. I have had no gasket problems in over 10 years and they fit perfect, clearing the stock steering box and everything else in the car with no modification. If they say it will fit, they mean it.

Kevin
http://community.webshots.com/user/49chevyman?vhost=community
"The only people who do not make mistakes, are people who do not do anything."