I have original Fenton headers that came off a 55 235 and an Offy dual 1bbl intake. The flanges matched up fine. So the originals work fine with a "modern" manifold. Maybe the repro guys aren't paying close attention to the specs or have sloppy production practices.


Paul Schmehl CI 6
geek@stovebolt.com
Stovebolt Staff: Geek