I knew about the bellhousing notch. Seems straightforward. I will need a 132 tooth flywheel for a Magnum engine. Summit has one but it doesn't mention the notch's so I have to do some research. Thanks.

2021 Dodge 2500 4WD Cummins
2020 Challenger R/T Scat Widebody
2007 Charger R/T 5.7