Originally Posted by BOBCRMAN@aol.com
Woodward does offer a double body set, like mine. From what I've seen the bodies are all the same. from the cheapies to the more expensive and most of the internals interchange.
Probably like a lot of other items. One manufacturer actually does the parts and various retailers sell them as theirs.
When we are talking about harbor freight there is no way they are buying anything, they are making it all and simply copying the original with the original company not getting a dime from them.
These are pretty standardized components I am thinking and like making a drill bit, it fits millions of drills.