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FTI Performance FTI TH400 Promod Billet Aluminum Direct Drum Kit w/ 36 Element Sprag
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FTI TH400 Promod Billet Aluminum Direct Drum Kit w/ 36 Element Sprag

FTIF4042
887753814128
Transmission Internals
1 Units In Stock - Ships Next Business Day
$ 1,248.75 $ 999.00
$ 999.00

SKU: F4042 / UPC: 887753814128


FTI Pro Mod Billet Aluminum Direct Drum Kit with 36-Element Sprag for TH400

The FTI Pro Mod Billet Aluminum Direct Drum Kit is a high-performance upgrade designed for Turbo 400 (TH400) racing transmissions. This billet aluminum direct drum features a heavy-duty 36-element sprag and is engineered for extreme horsepower applications such as Pro Mod, Outlaw, and high-power drag racing builds.

The billet construction provides superior strength and durability compared to factory cast drums, while the 36-element sprag offers increased holding capacity for high-torque launches and consistent shifts under extreme conditions.

Key Features

  • Billet Aluminum Construction – Much stronger than factory cast drums for high-horsepower applications
  • 36-Element Sprag – Heavy-duty sprag provides excellent holding power for high-torque launches
  • Pro Mod / Racing Focused – Designed for serious drag racing and high-performance TH400 builds
  • Improved Durability – Withstands the abuse of high horsepower and repeated hard launches
  • Direct Replacement – Fits standard TH400 transmission cases with proper machining

Specifications

Detail Value
Brand FTI Performance
Type Pro Mod Billet Direct Drum Kit with Sprag
Transmission Turbo 400 (TH400)
Material Billet Aluminum
Sprag 36-Element Heavy Duty
Application Pro Mod / High Horsepower Drag Racing
Country of Origin United States
Warranty FTI Performance Limited Warranty

Whats Included

  • Billet Aluminum Direct Drum
  • 36-Element Sprag Assembly
  • Related Hardware (as required)

Product Notes

  • This is a high-performance racing component — professional installation and proper transmission machining are required
  • Designed for extreme horsepower and torque applications
  • Not recommended for street or daily driven vehicles

This Part Fits

Transmission Application Notes
Turbo 400 (TH400) Pro Mod / High Horsepower Drag Racing Requires proper case machining and professional assembly

Why Choose FTI Performance?

  • Specializes in high-quality racing transmission components for serious drag racers
  • Engineered for extreme horsepower and durability
  • Trusted by professional racers and transmission builders
  • Made in the USA with a focus on performance and reliability

Frequently Asked Questions

  • Q: Is this drum a direct bolt-in replacement?
  • A: No. This is a racing component that typically requires machining of the transmission case and professional assembly.
  • Q: What type of sprag does it use?
  • A: It comes with a heavy-duty 36-element sprag for maximum holding capacity.
  • Q: Can this be used in a street-driven TH400?
  • A: It is not recommended. This drum is designed for high-horsepower racing applications.
  • Q: What kind of power levels is this drum rated for?
  • A: It is built for extreme horsepower Pro Mod and Outlaw-style drag racing applications.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Securely packaged for protection
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