@DavidKFla This is what I have installed on my 2015 Hellcat Charger. You could give HHP sales a call @ 1-888-894-1115 for anymore questions.
MOPAR 2.4L IHI Hellcat Fuel Rails with Pressure Sensor & Drain Valve for 15-Current Challenger, Charger & Ram TRX 6.2L
MOPAR Hellcat Fuel Rails With Pressure Sensor & Drain Valve for 2015+ 2.4L IHI Supercharged Hellcat Challenger, Charger & Ram TRX - 68170299AE
https://highhorseperformance.com/
Also you can include in your purchase a Drain Line.
Product Description
EM Hellcat Fuel Rail with Pressure Sensor. This fuel line comes with a Schrader valve on the drivers-side rail which allows for easy fuel draining for customers wanting to change fuel. We also sell the additional
EZ Drain Line separately for easy draining
This rail does not fit Jeep Trackhawk or any of the 2.7L IHI vehicles such as the Demon and Redeye.
Linda