The markings AT on some and AV on others are in big capitol letters and cover the head of the bolt.
Not a big deal....... just curious. Probably will not re-use if in doubt about
the grade of the bolts.
Thanks,
JB
1 1951 Chev Panel with a 350 small block, automatic tranny.
1 2004 Chev 2500 HD pickup... stock
1 1950 Chev 5 window pickup; 261 c.i. engine, 4 on the floor.
With lots of time and money, any Stovebolt can be restored.
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