1000HP Turbo TH400 Transmission Full Manual Valve Body, Competition, Reverse Shift Pattern, Chevy GM T400

1000hp Turbo 400 Transmission 900-1000HP Rated - Full Manual Reverse pattern

For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components.

Our “entry level” Turbo 400 transmission features many high-end items that other companies charge extra for. Assembled to the same exacting specifications as our top of the line transmissions, these units are without a doubt the best value for your money, while still providing you a transmission you can trust to put the power to the ground!

Unlike many production builders, our transmissions are handcrafted from beginning to end by one highly skilled and experienced technician. This process ensures that you the customer gets the highest quality product each and every time. This unit has undergone over 40 years of contiguous, rigorous R&D and on track testing.

Designed, Engineered and Assembled in the USA at our state-of-the-art Philadelphia, PA facility.

TSI Turbo 400 TH400 Transmission Features, Upgrades & Specifications: 

• 300M Input Shaft & HD Billet Drum
• 36 Element Sprag
• All new bearings
• All new bushings
• Alto Red Eagle Clutches
• OEM or Aftermarket Pump
• All New External Fasteners
• Deep Aluminum Pan w\ Drain Plug
• All New Gaskets and Seals
• Endplay and Clearances Set to Exacting TSI Performance Specifications

Number of Gears:  3

Valve Body Style:  Full manual - Reverse Pattern. (no Automatic function)

Trans-Brake Included:  No

Lockup Compatible: No

Transmission Pan Style:  Deep

Transmission Pan Material:  Aluminum

Tailshaft Length (in.):  4.000 in.

Yoke Style:  Slip-on

Input Spline Quantity:  30

Input Shaft Material:   300M with HD Billet Drum

First Gear Ratio (Automatic Transmissions):   2.48

Transmission Case Style:  OEM

Transmission Case Material:   Aluminum

Transmission Case Finish:  Black

Transmission Shield Built In:   No

Flexplate Shield Built In:   No

Fluid Fill Location:   Case

Dipstick Included:   No

Notes: Upgraded Steel front drum and VASCO 300 input shaft.