TCI Automatic Transmission Conversion Kit Six-Speed 6X 4L80E With 50OZ Flexplate 289/302/351W

TCI:
271701P40
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Highlights

  • Fully programmable trans
  • SBF bellhousing
  • 50oz balanced flexplate
  • 850 horsepower rated
$7,146.66

TCI 4L80E 6X Six-Speed Automatic Transmission Conversion Kit with a 50oz Flexplate for 289, 302 and 351W Engines.

The TCI 4L80E-based 6X Six-Speed Automatic Transmission Conversion Kit (271701P40) is the perfect choice for your street, Pro Touring or all out race vehicle powered by a 289, 302 or 351W small block Ford engine. Using the latest innovations in drivetrain technology, TCI developed an amazing transmission package capable of handling up to 850 horsepower with six forward gears providing quick acceleration and improved fuel economy at cruising speeds.

Features and Benefits:
- Fully programmable transmission with six forward gears. (2.97, 2.23, 1.57, 1.18, 1.00, 0.75)
- Quick acceleration and increased fuel economy at cruising speeds
- Capable of handling up to 850 horsepower
- EZ-TCU Transmission controller and wiring harness
- SBF bellhousing and 50oz externally balanced flexplate
- Pilot adapter
- Dipstick
- Transmission cooler
- Includes transmission fluid

*A shifter is NOT included.

The new TCI 6X Automatic Transmission Conversion Kit (271701P40) is easy to install as it bolts right up to your SBF engine like a stock transmission. TCI makes it easy to adapt this proven transmission to your small block Ford V8 engine by including the exact bellhousing, a special adapter flexplate, pilot adapter, dipstick and other accessories in a complete package. The provided EZ-TCU transmission controller and harness allows for exact shift point programming. All of this gives you the most functional and modern drivetrain combination on the market.

To ensure reliability and overall quality, TCI engineers run each transmission across a hydraulic valve body test dyno and computer-controlled transmission dyno to ensure proper line pressures and perfect transmission performance. The serialized spec sheet from the Triple Testing process is included with the transmission, showing test scores and proof of performance. TCI also utilizes a patented HDT Coating on the transmission for cooler operating temperatures and improved drivetrain efficiency.

Please Note: Custom driveline modifications may be necessary to complete the installation of this transmission conversion.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following F-100 years:

  • 1948,
  • 1949,
  • 1950,
  • 1951,
  • 1952,
  • 1953,
  • 1954,
  • 1955,
  • 1956,
  • 1957,
  • 1958,
  • 1959,
  • 1960,
  • 1961,
  • 1962,
  • 1963,
  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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