That’s funny! You’ll have to fab up your own. Probably start with something for a BBC, then “make it work”. Bobb Makley had brackets for a belt drive set up, but sold them years ago. Maybe he has patterns.. Remember, it’s a Buick, you’ll be making “the kit”. Here’s how I know. Gary G
As does The supercharger store no "need" to have to fab the kit,...just bite the bullet and make the phone call,...$5800 for the kit with a D1 or F1