rocker arms

Hello there this is my 1st post on this forum excited to get some answers or suggestions. My cylinder 4 intake lifter failed but it didn’t ruin the camshaft bc the Pushrod fell out of rocker So I replaced all 8 lifters on passenger side. So I repaired and reassembled it, and when I crank the...

Alright, I have a slew of questions here. Here's the background info before I get too deep. I just bought a 2002 Dodge Ram 1500 last month. It is the first 4.7L I've had. I'm sort of familiar with the 5.9 Magnum (have a '96) and the 5.7 Hemi (have a '06). The truck has 167K miles on it...

I have an 02 Ram 1500 4.7L. I have issues with the lifters sticking and the rocker arms popping off. Does anyone know where I can find the upgraded ones and how hard would it be to change them?