Edward Klepeis wrote:

Dear Doug of japan
 I believe the alloy on the pulleys are 7075 I will know more about them when I get them for my eng.The gentleman from the co. would like to attend
Sun N Fun next year  I think he has alot to offer the rotary movement. I am looking forward to work with him on this project.
                                                                                                                                            Regards
                                                                                                                                               Ed
                                                                                                                                      techwelding@comcast.net

You can always hard anodize them Doug to cut the wear.

Paul Lamar
 
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