Looking for a brand name on a rod please help
 

I have a small block chevy with 6 inch H beam rods in it. one is bent and i cant identify the brand name. all it has on it is Y6000 stamped on the beam. Can anyone tell me what brand they are I have called everyone i can think of and knowone claims the number as being theres. any help is appreciated...... thank you :P :?: :?: :?:

They are iron. ill try to post a pic soon