Speedometer Gear Reducer Identification

[jbtech]

Hello everyone, I found this in a pile of first generation Camaro parts at a swap meet. I'm going to sell this but I don't know the original factory application or how to decode these. Does anyone have a speedometer gear reducer cheat sheet?

Stewart Warner
666 F U8
1.2020 X

Thanks!
Jose

[Spooky]

U8 Is the date and is august of 1975 Maybe out of a pickup truck?

[jbtech]

U8 Is the date and is august of 1975 Maybe out of a pickup truck?

Silly me I should have knows SW shared date codes across all products. Thank you for your help. Probably out of a truck. Thanks!

[John Brown]

SW date code chart
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