A Continental IO-470 V certified yellow-tagged crankshaft. It has been certified by Aircraft Specialities in OK. Main journals ground M010 and rod journals ground M010. No counterweights. It is the responsibility of the buyer to ensure that this will fit their application. For more aircraft parts, car parts, household decor, collectibles, Christmas decor or tools, check out our eBay store: Tools, Trinkets and Treasures. We add items weekly, sometimes daily. If you don't see what you are looking for, let us know and we'll check our stock. Free shipping to lower 48 U.S. states only. Payment is expected within 7 days. Thanks for looking.