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Thread: Thread size for exhaust air injection pipes

  1. #1
    Ride
    VK 3.3

    Join Date
    Feb 2006
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    28

    Default Thread size for exhaust air injection pipes

    Does anyone know the thread size for the exhaust air injection things on the head of the black carbie engines. I want to get rid of this and just block them off.
    Cheers, Big Al

  2. #2
    Ride
    vk calais, vn waggon

    Join Date
    Jun 2006
    Posts
    51

    Default

    im not sure but if u can find a cheap efi head use the block off's from that

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