Eagle Forged Stroker Crank CRACKED

Your not alone. Here's a K1 crank (which is just a glorified Eagle that they do the finish machining work on to give them better tolerances than Eagle does). But the chinese metal is the same and still breaks.

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What damper were you using? When they fail like that it’s almost always a torsional vibration issue.

Just like a tuning fork will break glass, a damper that is tuned wrong or worn out, you get failures like that.

I‘m frigging surprised we don’t see way more of this stuff. It shows how good this stuff really is.

If it was the garbage some think it is, they wouldn’t make it past 1000 miles at best.