It is a hood support. you can get one like it from:
https://www.robertsmotorparts.com/search?q=T162

If you want the correct one for the Chevy truck you can buy them at:
https://www.classychevusa.com/index...245/category_id=35/mode=prod/prd1245.htm

Or, you can make your own by using the sttached information.
https://www.stovebolt.com/techtips/hood_prop.pdf
Note, if you use the "flat" prop, you will have to move the Voltage Regulator down about 1" for clearence of the support in the closed position.
Harold

Last edited by Harold46; 12/20/2021 8:58 PM.

Harold
Is a restoration ever finished?