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Thread: Valve Guide Seals

  1. #1
    Hydro-Thunder
    What kind of seals does everyone run with dual springs?

  2. #2
    Senior Member
    Join Date
    Mar 2010
    Posts
    883
    About the best are metal shielded Vitons. Teflon is still used widely, but the metal case stuff has made a comeback due to the viton material and issue with clearance on the large spring multi-assemblies used today.
    Chris

  3. #3
    Senior Member
    Join Date
    Jun 2009
    Posts
    10,871
    I've got a box of new PC seals (white teflon type) if any of you engine guys are interested I'll sell them cheap. There's probably 100 or so, 3/8 valve. I'd have to count em.

  4. #4
    Hydro-Thunder
    Do I have to do any machining or do they just go right on?

  5. #5
    GofastRacer
    You'll have to measure your guides, look up the valve stem size you need and it will tell what size the guide has to be!...

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