This is a ring gear from an ATV most likely. The one I found that looks most similar (and has the same number of teeth) is the Honda TRX300, but others look very similar.

Rear axle spool, used for drag racing, probably for a small import car.

References:

My brain

Reason:
Thanks for your opinion but we need to know what make and model this fits. It will be great if you can provide a reference link to easily identify this item. Thanks again.

This is a ring gear from an ATV most likely. The one I found that looks most similar (and has the same number of teeth) is the Honda TRX300, but others look very similar.

References:

https://www.ebay.com/itm/Honda-TRX300-300-Fourtrax-Rear-Differential-Ring-and...

https://www.ebay.com/itm/Honda-TRX300-TRX300FW-300-Fourtrax-Rear-Differential...

https://www.ebay.com/itm/HONDA-TRX300FW-4x4-300-Fourtrax-ATV-Rear-Differentia...