FTI Performance TH400 Level 4 Transmissions TH400-4UB

Overview FTI Performance TH400 Level 4 Transmissions TH400-4UB Brand: FTI Performance Manufacturer’s Part Number: TH400-4UB Part Type: Automatic Transmissions Product Line: FTI Performance TH400 Level 4 Transmissions Summit Racing Part Number: FTI-TH400-4UB UPC: 887753825643 Number of Gears: 3 Bellhousing Bolt Pattern Manufacturer: Chevy Transmission Shift Pattern: Reverse Valve Body Style: Full manual Transmission Advertised Horsepower Rating: 900 Torque Converter Included: No Flexplate Included: No Transmission Controller Included: No Wiring Harness Included: No Transmission Cooler Included: No Trans-Brake Included: Yes Lockup Compatible: No Transmission Pan Style: Deep Transmission Pan Material: Aluminum Transmission Pan Finish: Natural Tailshaft Length (in.): 4.063 in. Yoke Style: Slip-on Input Spline Quantity: 30 Input Shaft Material: Hardened steel Input Shaft Style: TH350/400 First Gear Ratio (Automatic Transmissions): 2.43 Clutch Hub: Billet Steel Transmission Case Style: OEM Transmission Case Material: Aluminum Transmission Case Finish: Black Transmission Shield Built In: No Flexplate Shield Built In: No Fluid Fill Location: Case Transmission Fluid Included: No Dipstick Included: No SFI Rating: SFI 4.1/30.1 Remanufactured: Yes Quantity: Sold individually Notes: Features Ultra Bell bellhousing. FTI Performance TH400 Level 4 Transmissions Overview The FTI Performance TH400 Level 4 Transmission TH400-4UB is engineered for high-performance racing applications where strength, precision, and reliability are critical. Designed to handle up to 900 horsepower, this transmission delivers consistent power transfer and rapid, responsive shifts. As a result, it is an excellent choice for drag racers and performance enthusiasts alike. Performance & Durability In addition, this transmission features a full manual valve body with an integrated trans-brake, allowing for precise launch control and improved reaction times. High-performance clutches and steels, combined with a 34-element intermediate sprag, enhance durability under extreme conditions. Because of this, it can withstand repeated high-stress runs while maintaining consistent performance. Advanced Engineering Moreover, the transmission includes a high-flow pump and a race-prepped stock case to improve fluid circulation and overall efficiency. The billet forward clutch hub and heavy-duty intermediate retainer provide added strength where it matters most. For this reason, it offers long-lasting reliability in demanding racing environments. The inclusion of an Ultra Bell bellhousing further enhances structural integrity and safety. Applications & Benefits Finally, this TH400 Level 4 transmission is suitable for a wide range of applications, including bracket racing, high-powered street builds, and off-road vehicles. Its robust construction and race-ready features ensure dependable performance across various conditions. Ultimately, it delivers a powerful combination of durability, control, and race-proven capability for serious performance builds.