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r33 gtst rb25

  1. FUEL RAIL INNER DIAMETER??

    Tuning, Technical Questions
    Hi again!!! im going to machine a billet top feed fuel rail for my Rb25det. has anyone got and can tell me the inner diameter of there fuel rail if its a sard,hks, greedy etc please. i know the injector holes are 11mm but i need the actual inner diameter. I have the fixings for the fuel supply...
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