What is this hole in a 67 firewall

[Classic Bowties]

Originally Posted by 68Gold/white

I think you can buy a cover for that hole, if it isn't being used on your pickup.

Originally Posted by 1970cstblazer

1967-70 used a plastic push in cap. 1971-72 used a screwed on metal block off plate.

Yes, here's some info and pics to go with the two above replies, both the 67-70 and 71-72 styles of the firewall clutch rod delete block offs are readily available with most of the truck part vendors, see post #4 of the below linked older parts board f/s thread. Mel

https://www.67-72chevytrucks.com/vbo....php?p=8986754

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