FTI Transmissions TH400-5EB2 Level 5 Performance TH400 Automatic Transmission

The FTI Transmissions TH400-5EB2 is a high-performance Level 5 built TH400 automatic transmission designed for serious street/strip and racing applications. FTI Performance is a renowned builder of performance automatic transmissions and torque converters, and their Level 5 TH400 represents a heavily upgraded and reinforced version of the legendary GM Turbo-Hydramatic 400 (TH400/3L80) platform.

The TH400 platform is widely regarded as one of the strongest and most durable automatic transmissions ever produced, and FTI's Level 5 build takes that foundation to the next level with performance clutch packs, upgraded bands, hardened internals, and precision valve body calibration suited for high-horsepower applications.

Key Features:

• Level 5 Performance Build – FTI's top-tier internal upgrades for maximum durability and power handling
• TH400 Platform – Based on the GM Turbo-Hydramatic 400, known for exceptional strength and reliability
• Performance Clutch Packs – Upgraded friction materials for improved holding capacity and faster, firmer shifts
• Reinforced Internals – Hardened and strengthened components to withstand high-horsepower and high-torque demands
• Performance-Calibrated Valve Body – Optimized for crisp, consistent shift quality under load
• Built by FTI Performance – Assembled by experienced transmission specialists with decades of motorsport experience

Whether you are building a dedicated race car or a high-powered street machine, the FTI TH400-5EB2 Level 5 transmission delivers the reliability and shift performance demanded by serious enthusiasts and competitors. This unit is engineered to handle significant power levels while maintaining consistent operation run after run.