Free Shipping on Performance Auto Parts            Order by 11 PM EST for Same Day Shipping!

TCI 6X Six Speed Transmissions


TCI
TCI 6X Six Speed Transmissions

Product images may differ from actual product appearance.

Using the latest developments in drivetrain technology, TCI has developed an innovative automatic transmission for Pro Touring, street and all-out race vehicles. Designed for GM Small Block Chevy, Big Block Chevy and LS applications, as well as Fords and Chryslers, the 4L80E-based TCI 6x Six-Speed Automatic Transmission is a fully programmable transmission that gives you six forward gears (2.97, 2.23, 1.57, 1.18, 1.00, 0.75) for quicker acceleration and increased fuel economy at cruising speeds and is capable of handling up to 850 horsepower.

When used with the required TCI Transmission Control Unit for shift point programming and the optional TCI Paddle Shifter or bump switch setup for manual mode gear selection, this automatic transmission gives vehicles the most functional and modern drivetrain combination on the market.

To ensure durability, TCI engineers run each transmission across a computer-controlled transmission dyno to assure proper line pressures and top notch transmission performance. Proof of this triple testing process is included with each transmission, shipped in the form of individual serialized spec sheets containing test scores. These versatile transmissions from TCI feature a compact design, allowing them to work in a variety of performance applications. In addition, each TCI transmission utilizes the patented HDT Coating for cooler operating temperatures and improved drivetrain efficiency.

Features & Benefits
  • Six forward gears & fully programmable automatic or manual shifting for improved acceleration & fuel economy at cruising speeds
  • TCI Transmission Control Unit & 4-speed automatic shifter (Ratchet, gate or stock) needed for standard automatic operation
  • Full manual shifting with the 6x Six-Speed requires optional TCI® Paddle Shifter or bump switch set-up
  • Self-contained design using 4L80E case eliminates clearance problems of external bolt-on overdrives
  • Compatible with all Chevy Small Block, Big Block & LS engines, as well as Chrysler and Ford - from stock to over 850 horsepower

    Note: Speedometer drive gear and driven gear not included.


  • 16 Products
    6X Six Speed Transmissions

    890-271600
    6X Six Speed Transmission
  • GM 4L80E
  • $119
    $6,058.99
    Order Today Ships 07/15/15

    890-271601
    6X Six Speed Transmission
  • GM 4L80E
  • No Bellhousing
  • $119
    $6,355.99
    Order Today Ships 07/15/15

    890-271602
    6X Six Speed Transmission
  • GM 4L80E
  • Input Shaft/Clutch Hub Included
  • $119
    $6,058.99
    Order Today Ships 07/15/15

    890-271603
    6X Six Speed Transmission
  • GM 4L80E
  • No Bellhousing
  • Input Shaft/Clutch Hub Included
  • $119
    $6,646.99
    Order Today Ships 07/15/15
    6X Six Speed Transmission Packages

    890-271601P10
    6X Six Speed Transmission Package
  • Chrysler Small Block
    Includes:
  • GM 4L80E Transmission (890-271620 BellHousing)
  • Transmission Control Unit
  • Wiring Harnes
  • $119
    $7,639.99
    Order Today Ships 07/15/15
    6X Six Speed Transmission Packages w/Outlaw Shifter

    890-271601P20
    6X Six Speed Transmission Package
  • Ford Small Block
    Includes:
  • GM 4L80E Transmission (890-271614 BellHousing)
  • Transmission Control Unit
  • Outlaw Shifter <
  • $119
    $8,245.99
    Order Today Ships 07/15/15
    6X Six Speed Transmission Bellhousing Kits
      890-271614
    Bellhousing Kit
  • 6X, Small Block Ford Modular
  • $764.99
    Order Today Ships 07/15/15
      890-271615
    Bellhousing Kit
  • 6X, Chrysler 6-Bolt Big Block
  • $693.99
    Order Today Ships 07/15/15
      890-271616
    Bellhousing Kit
  • 6X, Ford Big Block
  • $800.99
    Order Today Ships 07/15/15
      890-271617
    Bellhousing Kit
  • 6X, Chrysler 8-Bolt Big Block
  • $725.99
    Order Today Ships 07/15/15
      890-271618
    Bellhousing Kit
  • 6X, Ford 4.6L 6-Bolt Crank Small Block
  • $769.99
    Order Today Ships 07/15/15
      890-271619
    Bellhousing Kit
  • 6X, Ford 4.6L 8-Bolt Crank Small Block
  • $769.99
    Order Today Ships 07/15/15
      890-271620
    Bellhousing Kit
  • 6X, Chrysler Small Block
  • $676.99
    Order Today Ships 07/15/15
      890-271621
    Bellhousing Kit
  • 6X, Pontiac Motor
  • $706.99
    Order Today Ships 07/15/15
      890-271622
    Bellhousing Kit
  • 6X, Chrysler 5.7/6.1L Hemi
  • $675.99
    Order Today Ships 07/15/15
    Paddle Shifter

    890-301442
    Paddle Shifter for TCI Transmission Control Unit
  • With Display
  • $643.99
    Order Today Ships 07/15/15

    16 Products