Subaru Outback Forums banner

valve guides

  1. valve guide knurling?

    Gen 2: 2000-2004
    hi, i think i have at least one valve guide that is dropped on my RH head so i bought a used head to swap it out with. I would like to make valve dropping impossible on this replacement head before i install it. i've seen people mention knurling the head around the guides to keep the guides from...
Top