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B&M Street/Strip Automatic Transmission - GM 4L80E

1997-2015 GM Models, 2-Wheel Drive

PART# 118002BM

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$2,887.00   Suggested Retail
$2,597.95   Holleydays Price
Estimated shipping date: 12/11/2020
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B&M's Street/Strip transmission is a complete ready to run unit (less torque converter) for high performance street and mild dragstrip use. The transmission provides firm shifts and features a standard shift pattern, these are the finest available for street and strip use. The Street/Strip GM 4L80E automatic transmission fits GM models 1997-2015. Features a 34-element intermediate sprag, high energy intermediate band, new overdrive sprag assembly, new low roller assembly, performance friction materials, all new solenoids and wiring harness, recalibrated valve body, performance pump assembly, steel forward hub. Designed for a maximum of 800 horsepower and 650 ft/lbs of torque. Can be used with HGM Compushift controller for transplant applications.


  • Designed for up to 800 horsepower & 650 ft/lbs of torque
  • All new high performance friction plates
  • Rebuilt performance pump assembly
  • 34-element intermediate sprag
  • High energy intermediate band
  • New overdrive sprag assembly
  • Fully recalibrated valve body
  • New low roller assembly


Automotive Item GradeHigh Performance
Brake IncludedNo
Built-In Transmission ShieldNo
Case MaterialCast Aluminum
Control TypeElectronic
Cooler includedNo
Core Change ApplicableNo
Dipstick includedNo
DisclaimerTransmission shipped without speedometer driven gear or housing
Drive TypeRWD
Emission Code5
Friction PlatesNew
Gear Ratio-First2.48
Gear Ratio-Fourth0.75
Gear Ratio-Second1.48
Gear Ratio-Third1.00
Horsepower Rating (HP)800
HP/TorqueMax 800 HP / 650 Ft/Lbs.
Manual Valve BodyNo
Part TypeHigh Performance
Product TypeAutomatic Transmission Assembly
Reverse Gear Ratio2.08
Reverse PatternNo
Torque Converter IncludedNo
Torque Rating (Ft/Lbs)650
Transmission Model4L80E
Transmission SeriesStreet/Strip
Transmission Speeds4
Transmission Type4L80E
Valve Body ConfigurationRecalibrated
Valve Body PatternForward
Valve Body TypeAutomatic
California Proposition 65 Chemical NameBenzene
Chromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number118002BM



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

Can be used with HGM Compushift Controller for transplant applications. Transmission shipped without speedometer driven gear or housing.


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