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B&M Street/Strip Automatic Transmission - 2WD 700R4/4L60

1984-1992 GM 700R4/4L60 with Electronic Speedometer, 2-Wheel Drive

PART# 117103

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The B&M 700R4/4L60 Street/Strip transmission is suitable for use behind engines producing up to 500HP and 450LB FT of torque which covers most small block and mild big block engines. It features a low first gear ratio and an overdrive 4th gear making it a very desirable transmission for street strip applications. This 4L60 transmission is for the electronic speedometer, but is not an electronically controlled transmission. B&M strongly recommends adding a Hi-Tek transmission SuperCooler to help further reduce heat build-up and extend the life of automatic transmissions. Can be used with a B&M Lock-up Controller. Does not fit Corvette or 60 degree V6 engines. Does not replace 4L60E transmissions.


  • All New High Performance Friction Materials
  • Re-calibrated High Performance Valve Body
  • Performance Street/Strip Transmission
  • Rated up to 500HP and 450LB FT
  • Electronic Speedo Connection
  • Heavy Duty Beast Sunshell


Automotive Item GradeHigh Performance
Brake IncludedNo
Built-In Transmission ShieldNo
Case MaterialCast Aluminum
Control TypeElectronic
Cooler includedNo
Core Change ApplicableNo
Dipstick includedNo
Drive TypeRWD
Emission Code5
Friction PlatesNew
Gear Ratio-First3.06
Gear Ratio-Fourth0.70
Gear Ratio-Second1.63
Gear Ratio-Third1.00
Horsepower Rating (HP)500
Input Shaft Spline Count30
Input Spline Count30
Manual Valve BodyNo
Output Spline Count27
Part TypeHigh Performance
Product TypeAutomatic Transmission Assembly
Reverse Gear Ratio2.29
Reverse PatternNo
Tailshaft Length (In)4
Torque Converter IncludedNo
Torque Rating (Ft/Lbs)450
Transmission Model700R4/4L60
Transmission Pan FinishChrome
Transmission Pan MaterialSteel
Transmission Pan TypeStamped
Transmission SeriesStreet/Strip
Transmission Speeds4
Transmission Type700R4/4L60
Valve Body ConfigurationRecalibrated
Valve Body PatternForward
Valve Body TypeAutomatic
California Proposition 65 Chemical NameBenzene
Chromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number117103



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.

Tech Resources

For Use with Electronic Speedometer and 30-spline torque converter.


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