- Official Post
Here is an Ebay auction for a used C3OE Hipo harmonic balancer by Ebay member "bluerockieroad" with a Buy-It-Now of $550.00 or make offer:
289 Original HIPO BALANCER C30E. Condition is Used. Date code H3 August 1963
https://www.ebay.com/itm/289-Origin…275.c4#viTabs_0
-Fred-