Need help Identifying Flywheel

[Kendog 170]

I picked up this flywheel in a parts lot of mainly Mopar parts. I can't find any #'s on it. Anyone know what it's for? The only non Mopar part was a set of rear shocks from an 80's Chevy truck. So possibly Chebie?
TIA

 

[Dan Brewer]

1970-1972 440 Magnum (375 HP) or 6pk (390 HP) engines.
130 tooth ring gear
Externally balanced for the heavy rods

 

[Oldmanmopar]

Mopar

 

[Kendog 170]

Thanks guys. Approximate value? soon to list in Classified section.
Thanks

 

[Dan Brewer]

Thanks guys. Approximate value? soon to list in Classified section.
Thanks

I sell a new one for $259.