['68OrangeSunshine]

I had the Tahoe out in the rain today to meet my nephews for lunch. So the Daytime lights and wipers were on. I avoided the radio. Of course, after lunch, I showed them my new truck, and had the doors open. [Triggering that obscene number of Courtesy Lights.]
When I tried to start it, it was a no go.
Checking under the hood. The batt showed 12.76 VDC. I tried the Negative treminal. It was finger tight! Not having put the usual tools aboard, I had only my Swiss Army Knife. But it is the big model, the Swiss Champ, and has a pair of tiny pliers. Enough to put some pressure on the Terminal bolt.
The PO had used pliers or vicegrips, too. So the bolt head is somewhat chingered.
It was enough to start and get me home.
Later I went to NAPA and got a set of new Terminal Bolts, as per your P/Ns.
Also 7 quarts of Valvoline 5W-30 High Mileage oil and a Wix filter.

At the same time I got 6 quarts of Valvoline VR1 30 Weight Racing oil and an oil filter for the '71 Jimmy.