FTI Performance TH400 Level 4 Transmissions TH400
$1,433.00
Automatic Transmission, Level 4, TH400, Trans-Brake, RMVB, Factory Chevy Bellhousing, Each
Buy FTI Performance TH400 Level 4 Transmissions TH400 Online
The FTI Performance TH400 Level 4 Transmissions TH400 is a premium heavy-duty automatic fti th400 level 4 engineered for serious drag racing, high-horsepower street builds, bracket racing, and mud truck applications. Designed to withstand extreme power levels, this Level 4 TH400 transmission is rated for up to 900 horsepower, making it an excellent choice for enthusiasts who demand uncompromising strength, durability, and consistent performance. Built with precision by FTI Performance, it offers race-proven reliability for both competitive and performance-driven vehicles.
Featuring a full manual reverse-pattern valve body with an integrated trans-brake, the transmission delivers baer claw brakes lightning-fast, accurate shifts and maximum launch control at the starting line. The race-prepped factory case is reinforced with premium internal components, including a 34-element intermediate sprag, billet forward clutch hub, performance clutches and steels, heavy-duty intermediate retainer, and a 4-clutch intermediate pack. A high-flow pump ensures proper fluid circulation under demanding conditions, while the deep aluminum transmission pan improves cooling and fluid capacity for enhanced durability during extended racing sessions.
The FTI Performance TH400 Level 4 Transmissions TH400 is compatible with Chevy bellhousing applications and utilizes a hardened 30-spline input shaft for dependable power transfer. Whether you’re building a weekend bracket racer, a powerful street/strip machine, or a dedicated drag car, this transmission is engineered to turbo 400 transmission 4 speed provide consistent performance with minimal maintenance. Its proven TH400 platform has earned a reputation as one of the strongest three-speed automatic transmissions available for high-performance vehicles.
If you’re looking for a fti level 4 th400 capable of handling substantial horsepower while delivering crisp shifts and dependable operation, the FTI Performance TH400 Level 4 Transmissions TH400 is an outstanding investment. Its race-ready construction, premium components, and exceptional durability make it the ideal upgrade for demanding motorsport and high-performance automotive applications.
FTI Performance TH400 Level 4 Transmissions TH400 Specifications
| Specification | Details |
|---|---|
| Product Name | FTI Performance TH400 Level 4 Transmissions TH400 |
| Brand | FTI Performance |
| Manufacturer Part Number | TH400-4S |
| Product Line | TH400 Level 4 Transmissions |
| Transmission Type | Automatic Racing Transmission |
| Transmission Family | Turbo 400 (TH400) |
| Number of Gears | 3-Speed |
| Horsepower Rating | Up to 900 HP |
| Bellhousing Bolt Pattern | Chevy |
| Shift Pattern | Reverse Pattern |
| Valve Body Style | Full Manual |
| Trans-Brake | Yes |
| Engine Braking | Yes (2nd & 3rd Gear) |
| Torque Converter Included | No |
| Flexplate Included | No |
| Transmission Controller Included | No |
| Wiring Harness Included | No |
| Transmission Cooler Included | No |
| Lockup Compatible | No |
| Transmission Pan Style | Deep Pan |
| Transmission Pan Material | Aluminum |
| Transmission Pan Finish | Natural |
| Yoke Style | Slip-On / Bolt-On |
| Input Shaft Spline Count | 30-Spline |
| Input Shaft Material | Hardened Steel |
| Input Shaft Style | TH350 / TH400 |
| First Gear Ratio | 2.43:1 |
| Clutch Hub | Billet Steel |
| Valve Body Material | Billet Aluminum |
| Intermediate Sprag | 34-Element |
| Direct Drum | 4L80E Style |
| Clutches | Performance Red Racing Clutches |
| Pump | High-Flow Pump |
| Case Style | Race-Prepped OEM Case |
| Case Material | Aluminum |
| Case Finish | Black |
| Output Shaft | Short Output Shaft |
| Fluid Fill Location | Case |
| Transmission Fluid Included | No |
| Dipstick Included | No |
| SFI Certification | SFI 4.1 / 30.1 (Configuration Dependent) |
| Remanufactured | Yes |
| Recommended Use | Drag Racing, Street/Strip, Bracket Racing, Mud Trucks |
| Warranty | 90-Day Standard Warranty |
| Sold As | Individually |
Benefits of FTI Performance TH400 Level 4 Transmissions TH400
- Rated to handle up to 900 horsepower for high-performance racing applications.
- Full manual reverse-pattern valve body provides fast, precise gear changes.
- Integrated trans-brake delivers harder, more consistent race launches.
- Engine braking in 2nd and 3rd gears improves vehicle control during competition.
- Race-prepped OEM case offers outstanding durability under extreme loads.
- 34-element intermediate sprag increases strength and reliability.
- Billet steel clutch hub enhances power transfer and longevity.
- High-flow pump maintains consistent lubrication during demanding operation.
- Deep aluminum transmission pan improves cooling and increases fluid capacity.
- Performance red racing clutches deliver dependable engagement under heavy loads.
- Hardened 30-spline input shaft withstands high torque applications.
- Ideal for drag racing, street/strip cars, weekend bracket racers, and mud trucks.
- Proven TH400 platform is trusted for reliability in high-horsepower builds.
- Compatible with Chevy bellhousing applications for versatile installation.
- Built by FTI Performance for consistent performance and long service life.
How much horsepower can the FTI Performance TH400 Level 4 Transmissions TH400 handle?
The FTI Performance TH400 Level 4 Transmissions TH400 is rated to handle up to 900 horsepower, making it suitable for drag racing, street/strip builds, and high-performance vehicles.
Does the FTI Performance TH400 Level 4 Transmissions TH400 include a trans-brake?
Yes. It features a full manual reverse-pattern valve body with an integrated trans-brake, providing faster launches, precise shifting, and improved performance in competitive racing applications.

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