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geezer#99 · 07-22-2022, 01:45 PM

I suspect a restamp.
Unless you read the casting number wrong.
3970020 is a 307.

07-22-2022, 01:45 PM	#8
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,516	Re: 3970010… but it’s a 305?!?! I suspect a restamp. Unless you read the casting number wrong. 3970020 is a 307.