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GM TH400 TransAction Shift Kit by Fairbanks (1965-UP) Heavy Duty, Street/Strip, Manual Control & Full Competition

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  • Offers Four Levels of Upgrades!
Superior Transmission Parts
RRP: $75.95
$68.35 (You save $7.60)
In Stock!

 Product Description

Fairbanks Turbo 400 TransAction Shift Kit

1965-UP GM TH400 Transmissions

Offers 4-Levels of Performance

  1. Heavy Duty: Use for towing, off-road vehicles, campers, motor homes/RVs, trailers, and any other vehicle that does a lot of stopping and going (taxis, law enforcement).
  2. Street & Strip Performance:  Creates firm, positive instant shifts, but retains the full automatic transmission features and standard shift points with the shift selector in drive.
  3. Full Competition: This should be known as beast level and for all-out competition racing applications only.  Full Competition mode provides maximum shift feel and control.
  4. Manual Control at any RPM: Shifts manually at any RPM


WHY USE THIS TH400 TransAction Shift Kit

  • Offers super positive shifts
  • Separator plates included
  • Retains passing gear
  • Adjustable shift points
  • This TransAction kit will work on all 6 and 7 check ball cases
  • Stage 4 delivers full manual control, which increases the overall performance level


Superior Transmissions Part Number: 20812

 Other Details

Transmission Model(s):
Year Range:
General Motors
High Performance Upgrade:

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