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B&M Governor Re-calibration Kit

For GM TH700R4, TH400 & TH350 Transmissions.

PART# 20248

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$95.02   Suggested Retail
$76.97   Holleydays Price
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The B&M Governor Re-calibration kit allows you to easily adjust the shift points of your transmission after it is installed in your vehicle. This kit is very useful if you have a vehicle that is very light and/or has a low rear-end gear ratio to adjust the shift points to best suit your needs.


  • Easily Adjust Shift Points of Transmission
  • Useful for Low Rear End Gear Ratios
  • Includes all Necessary Hardware
  • Over 65 Years of B&M Quality
  • Useful for Light Vehicles
  • Easy Installation


Emission Code5
Gasket IncludedYes
Product TypeAutomatic Transmission Governor Drive Gear Repair Kit
California Proposition 65 Chemical NameCadmium and cadmium compounds
California Proposition 65 RequiredYes
Part Number20248



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

In The Box

In The Box

  • Gaskets
  • seals
  • bushings and high performance friction materials

Tech Resources

For use on GM TH700R4, TH400 and TH350 automatic transmissions


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       X  Holleydays 2020 20% off and DD
       X  Holleydays 2020 20% off and DD