FTI TH400 Transmission - Level 4.5 - 1100HP - Reverse Pattern - Sportsman Transbrake - SFI Bell

The FTI Performance TH400 Level 4.5 automatic transmission, part number FTK400-4.5B4, is engineered for high-performance street, strip, and racing applications requiring dependable power handling and quick, consistent shifts. Rated for engines producing up to 1,100 horsepower, this professionally built transmission is designed to deliver reliable performance under demanding driving conditions.
The FTK400-4.5B4 features a reverse-pattern valve body that places first gear at the rearward position of the shift sequence, helping reduce accidental shifts during competition use. Its Sportsman transbrake supports controlled launches by allowing the transmission to hold the vehicle stationary while engine speed builds. This configuration is well suited to drag racing vehicles and other performance applications where launch consistency is important.
A durable SFI-approved bellhousing is included to provide enhanced protection for high-performance drivetrain installations. The TH400 platform is known for its robust design, straightforward operation, and compatibility with a wide range of performance builds. FTI Performance combines specialized transmission components and calibration with assembly expertise to support demanding applications.
This FTI Performance TH400 transmission is intended for automotive use and is supplied as a complete performance transmission assembly. Verify vehicle compatibility, shifter operation, torque converter requirements, mounting configuration, and driveline specifications before installation. Professional installation and setup are recommended to ensure proper alignment, fluid circulation, shift control, and transbrake operation.

Features:

• Brand: FTI Performance

• Part Number: FTK400-4.5B4

• Transmission Type: TH400 automatic transmission

• Performance Rating: Designed for applications producing up to 1,100 horsepower

• Valve Body: Reverse-pattern configuration

• Transbrake: Sportsman transbrake for controlled racing launches

• Bellhousing: SFI-approved bell included

• Application: High-performance street, strip, and racing vehicles

• Construction: Professionally assembled performance transmission