robertson

  1. thejoker

    Robertson torque tubes

    Kart Pipes - Mini Bikes dose any one use these.
  2. K

    robertson h loop header

    not many threads over this where does it make power where does it loose power and what motor would it be good on I wanna use one
  3. grip9010

    Robertson header for GX390

    The robertson gx390 header comes with a set of allen key screws that secure the header to the block.The old threaded screws wount come out of the block i tried heating them up nothing.I am going to weld the nut to the end of the thread than back it out with a 13mm scoket.Is that a good idea or...
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