Anyone know the part number, or have a source for the original style battery terminal bolt?

Here's a pic for reference. Sorry it's a little blurry.

The square head with the tapped hole is 1/2" square, and the over all length of the bolt is 1 3/4"

call High Performance House Monday 650 364-6234 in redwood city, Rich the owner has the largest supply of new/used 914 parts I have seen, he should know exaclty what you need and be able to ship it too you. very good 914 supply /repair place.