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FTI Level 4.5 TH400 Transmission - 1100HP Reverse Pattern Sportsman Transbrake with GM Ultrabell

$5,223.75

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FTI Level 4.5 TH400 Transmission - 1100HP Reverse Pattern Sportsman Transbrake with GM Ultrabell

$5,223.75

$5,223.75

The FTI Level 4.5 TH400 transmission is a heavy-duty three-speed automatic engineered for high-output drag racing and street-strip applications. Rated to handle up to 1100HP, this transmission provides the internal strength required for high-torque launches and consistent pass-to-pass performance. It features a reverse manual valve body for positive gear selection and a Sportsman transbrake to enable maximum-effort launches.

This build includes a GM Ultrabell, an SFI-rated bellhousing that replaces the standard cast-in bellhousing. This upgrade provides significantly improved case rigidity and satisfies safety requirements for high-performance track use. Every Level 4.5 unit is built to exacting tolerances to ensure reliable power transfer under extreme racing conditions.

  • Manufacturer: FTI
  • Transmission Model: TH400
  • Build Level: 4.5
  • Power Rating: Up to 1100HP
  • Shift Pattern: Reverse Pattern Manual
  • Transbrake: Sportsman Series
  • Bellhousing: GM Ultrabell (SFI-certified)

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