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      GR Magnum Swaps

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

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        Ultimate IRS Subframe

        100% chromoly construction. My bolt-in MKIV Supra Subframe is stronger, lighter, and uses all the factory pickup points!

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          Manual Steering Racks

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

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            Project Hpattern

            The Grannas Racing 6-Speed Drag Supra build

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