FTI Transmissions TH400-4UB Level 4 TH400 Racing Transmission with Ultra Bell

The FTI Performance TH400-4UB Level 4 Racing Transmission is engineered for serious drag racers, high-powered street cars, and performance enthusiasts demanding exceptional durability. This fully-built Turbo 400 automatic transmission is rated to handle up to 900 horsepower and features an SFI-certified Chevy Ultra Bell bellhousing for added safety and rigidity.

Key Features:

• 900 HP capacity rating for high-performance applications
• Full manual reverse pattern valve body with integrated transbrake for optimal launch control
• SFI-certified Ultra Bell bellhousing included
• 34-element intermediate sprag for improved strength and reliability
• 4-clutch intermediate pack with race-grade clutches and steels
• Billet forward clutch hub for maximum durability
• Heavy-duty intermediate retainer
• High-flow pump for consistent fluid delivery
• Race-prepped factory Chevrolet case
• Deep aluminum transmission pan for increased fluid capacity and cooling
• Hardened steel input shaft with 30 splines
• 2.48:1 first gear ratio
• Approximately 33 inches in overall length

This transmission is designed for slip yoke and 1-piece driveshaft applications. The Level 4 TH400 combines a race-prepped valvebody with performance-grade internal components to deliver consistent, reliable power transfer whether you're bracket racing on weekends or putting down serious power on the street. The included transbrake provides precise launch control for competitive drag racing applications.