I thought about trying to build my own kit, but there ended up being other items like the brackets & pulleys that would have to be sourced from a parts truck. I ended up just finding an entire PS system and pulled it from the truck. Everything from pulleys, hardware, cooler, etc...
All in all, once I got all the parts install was straight forward. I used this thread as my guide;
https://board.marlincrawler.com/index.php?topic=48187.0