Best hydraulic flat tappet lifter?

nm9stheham said

It would be helpful for everyone to add the info on when their good/bad lifters were purchased, like in post #6, since this problem seems to have cropped up in the last 5-10 years. So AJ's 14 year old Hughes lifters may be PP (Pre-Problem) and TMM's buddy's Comp's may be AP (After-Problem).

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Mopar Joe's 440 was built about a year ago. He bought the cam kit and the machine shop warned him there will probably be issues. They apparently had issues with other Comp lifters. Some of the new stuff isn't as good as the parts built a decade ago. I sold Comp back in the late 70's as well as TRW with no issues.