CM871 valve steam seals or rings?

[arazdolgin]

Tried Haggay’s shop, but they said need to change whole head huh.. Previous owner installed new oem head from Cummins last year in 2021. I don’t idle, no rough driving, only 55-60 mph. It was cold a couple times and I had to heat the engine before driving and did high idle on cold engine, so might be seals got troubles due to this. So might try local shops and pops to do valve stem seals. Bought seals snd collets, hopefully it will help.