Why you need a 5th gen cummins lifter conversion

If you're looking into a 5th gen cummins lifter conversion, you've likely realized that the factory hydraulic setup isn't all it's cracked up to be. When Ram updated the 6.7L Cummins in 2019, they made a massive change that ruffled a lot of feathers in the diesel community: they ditched the traditional solid lifters and went with a hydraulic system. On paper, it sounded like a win. No more valve adjustments every 150,000 miles, a quieter engine, and a more "refined" driving experience. But for those of us who use our trucks as trucks—towing heavy, adding power, or just expecting that legendary Cummins longevity—the reality has been a bit different. ...

February 12, 2026 · 6 min · Debbi Osorio