My niece has a Comp cams XFI273h-14 .547/550 in her 06 300 , took a lot of tuning to get to run right. been a few years and it hasn't bent any valves yet.
Truth has no agenda, but those with an agenda don't always acknowledge truth
2003 Ram st
2004 Rumble Bee
2005 Ram GTX
Any info on these trucks is greatly appreciated
2005 Ram 1500 (drag truck in building
2014 1500 tradesman(shhhh, it's hiding a 7.0 short block under those eagle heads.