valves el or fl

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  • t-bone
    Member
    • Sep 2008
    • 76

    #1

    valves el or fl

    can anyone tell me the valve stem protrusian measurement on knuckleheads? thanks
  • knuckleheadtim
    Senior Member
    • Jan 2008
    • 141

    #2
    I found 1.575 to 1.625 above the shoulder works well. If you go with Pan specs, the retainers will bottom on the guides.

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