Mark will have to explain exactly what it does, all I know is it will connect to the engine at a couple points, there will be a shaft running through it from the front of the engine, to the supercharger, and a belt will turn the shaft to run the supercharger,
![Head Scratch :headscratch:](https://board.marlincrawler.com/Smileys/marlin/headscratch.gif)
something like that.