Mopar Performance Lifters

Let me know if I'm wrong but it seems like these things are so crappy they're not even lasting that long... in other words I hope you're good man
I don`t like it. My b-cuda`s 340 was built back at the turn of the century, with a Crane cam and who knows whos lifters, sets a week at a time and it doesn`t rattle on cold start.
The micro-trols were not cheapo`s imo. Again, I don`t like it, I could see setting a month or so, but it gets started weekly year round and run up to temp at least.:(