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Auto-Advance Mechanism, Cone Motors

Auto-Advance Mechanism, Cone Motors
Auto-Advance Mechanism Automatic Advance
(1 reviews)  

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For all cone motors:
1970-1999 Big Twins
1971-2003 XL Sportster


  • The auto advance base & shaft are one piece, machined from 4140 chromoly tool steel, and ground to .0001 accuracy.
  • Pivot pins are tool steel & heat treated to 58RC.
  • The weights are not cast, but machined from 4140 billet bar stock & heat treated.
  • This unit is meant to last a lifetime.
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Average customer rating:
(1 reviews)  

1 Most useful customer reviews (see all reviews):
glenn Massengill
Sep 11, 2018
This customer purchased the item at our site.
picked up the Vulcan Ignition and Advance unit a couple years backs. after around 5000 miles. I took it apart for service & new grease. I thought the weights would've lost some tolerance on the pegs. Well I was fooled, the damn thing looked brand new! The rivera Pro advance unit was suppose to be top shelf stuff. I'll admit the Rivera had 45,000 miles on it, but looked like trash in comparison to the Vulcan.
Good product. Save the trouble skip the Chinese junk, and just buy the Vulcan Advance unit.

Advantages: Great Quality so far. Not once have I had problems with timing.

Running a kick only Shovelhead. One or Two half ass kick when cold, and the old girl comes to life. Now after she warms up its one kick every time

Disadvantages: None that I've found...Its one of those you get what you pay for deals.
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