T1 has developed our own engine program; designed to plan, test, and build high-horsepower GTR engines. From massaging the maximum performance from your stock VR38DETT, to creating a fully-built race engine, we’ve done it all. Testing and developing on our own machines ensures the quality of yours. As with all of our engine builds, we want to make sure your current and future goals are met as efficiently as possible.

Engine Packages


Stage 1

  • 1,200 HP
  • 7,200 RPM
  • 3.8L
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Stage 2

  • 1,200 HP
  • 8,500 RPM
  • 3.8L
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Stage 3

  • 1,300 HP
  • 9,500 RPM
  • 3.8L
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Stage 4

  • 1,500 HP
  • 8,500 RPM
  • 4.1L
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Stage 5

  • 2,000 HP
  • 8,500 RPM
  • 4.1L
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Stage 6

  • 3,000 HP
  • 10,000 RPM
  • 3.8L
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Stage 7

  • 3,000 HP
  • 9K - 10K RPM
  • 4.0 - 4.3L
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