FTI Transmissions TH400-4EB2 Level 4 Performance TH400 Automatic Transmission

The FTI Transmissions TH400-4EB2 is a fully built, high-performance Level 4 TH400 automatic transmission engineered for serious street and strip applications. FTI Performance is a well-known name in the performance transmission and torque converter industry, producing units designed to handle significantly more power and abuse than stock rebuilds.

The TH400 (Turbo-Hydramatic 400) is one of the most respected heavy-duty automatic transmissions ever produced, known for its robust construction and proven reliability in high-horsepower builds. FTI's Level 4 designation indicates an extensive internal build featuring upgraded clutch packs, hardened steels, performance-spec frictions, and modified valve body calibration for improved shift quality and durability under high-load conditions.

Key Features:

• Level 4 performance build based on the proven GM TH400 platform
• Upgraded clutch packs and high-performance friction materials
• Hardened steel plates for increased heat and wear resistance
• Performance-calibrated valve body for firm, positive shifts
• Built to handle high-horsepower and high-torque applications
• Suitable for street/strip and competition use
• Fully assembled and ready for installation

FTI Transmissions is recognized for precision assembly and dyno-verified quality control. The TH400-4EB2 is an ideal upgrade or replacement for enthusiasts running modified engines who demand a transmission that can keep pace with increased power output.