(ID help) 18 or 23 spline?

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ToMang07

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Can anybody visually ID this for me? Seller has been little help.

18 or 23.jpg
 
Well, put a mark on one spline and count. It's easier for you than looking at a picture. I can tell you that much. Good luck.
 
Well I can count 12 just by looking at the picture, So my guess would be 23, not so hard!
 
Just because it was behind a 440 doesn't mean it belonged behind a 440! 23 spline.
 
And the front has been bobbed to fit into an unmachined crank;no biggie just run the BB pilot bearing.

There are 4 ratios available in that box,including the overdrive box. And 3 retainer sizes. Each one has a specific application.
That one looks like an overdrive retainer. Buyer beware
 
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Yeah, that input is pretty scarfed up.................................
 
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