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    GR Magnum Swaps

    The Grannas GR series transmissions are the strongest synchro manuals in the world

    View Swap Kits >
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      Manual Steering Racks

      Gain Horsepower. Lose weight. Clean up your engine bay.

      View Rack Kits >
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        Carbon Fiber Intakes

        Carbon Fiber intakes are stronger than welded aluminum, reduce engine weight, and fight heat soak!

        View Available Intakes >
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          Project Hpattern

          The Grannas Racing 6-Speed Drag Supra build

          View Project Blog >

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