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B&M Street/Strip Automatic Transmission - LS Engine 4L60E

1998-2006 GM 4L60E (Electronic Shift Model) for LS Engines, 2-Wheel Drive.

PART# 117308

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Estimated shipping date: 01/07/2021
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The legendary B&M transmissions for street use are a complete ready to run unit (less converter) for high performance street and mild strip use. The Street/Strip GM 4L60E is a must have for those wanting a high performance overdrive transmission. The years of experience and skills that B&M has gained at the track have been applied to these transmissions. Several parts have been replaced to assure optimal performance including replacing the factory friction plates with high performance friction plates, a re-calibrated valve body, Beast Sunshell, reinforced input drum, all new solenoids, wiring harness along with a rebuilt performance pump to assure optimum flow rate even in demanding conditions. A chrome transmission pan is installed to contain the fluid, but is aesthetically pleasing as well. The list goes on and on, which makes the Street/Strip GM 4L60E transmissions a very desirable unit. The transmission provides firm shifts and features a standard shift pattern, these are the finest available for street and strip use. Notes: We strongly recommend protecting your investment by adding a B&M Hi-Tek SuperCooler with all new transmission installations. Max 550 HP / 450 Ft/Lbs.


  • Includes Chrome Standard Depth Transmission Pan
  • 8 Count 3-4 Friction Pack with Koleen Steels
  • All New High Performance Friction Plates
  • All New Solenoids & Wiring Harness
  • Billet Corvette 4th Gear Servo
  • Fully Re-calibrated Valve Body
  • 29 Element Dual Cage Sprag
  • Heavy Duty Beast Sunshell
  • Seven Hole LS Bellhousing
  • Reinforced Input Drum
  • Forward Shift Pattern


Automotive Item GradeHigh Performance
Brake IncludedNo
Built-In Transmission ShieldNo
Case MaterialCast Aluminum
Control TypeHydraulic
Cooler includedNo
Core Change ApplicableNo
Dipstick includedNo
DisclaimerTransmission shipped without speedometer driven gear or housing
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)550
HP/TorqueMax 550 HP / 450 Ft/Lbs.
Manual Valve BodyNo
Part TypeHigh Performance
Product TypeAutomatic Transmission Assembly
Reverse Gear Ratio2.29
Reverse PatternNo
Torque Converter IncludedNo
Torque Limits550 lb
Torque Rating (Ft/Lbs)550
Transmission Model4L60E
Transmission SeriesStreet/Strip
Transmission Speeds4
Transmission Type4L60E
Valve Body ConfigurationRecalibrated
Valve Body PatternForward
Valve Body TypeAutomatic
California Proposition 65 Chemical NameBenzene
Chromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number117308



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

  • 4L60E transmission

Tech Resources

Fits 1998-2006 GM 4L60E (Electronic Shift Model) for LS Engines, 2-Wheel Drive. Does not replace 4L60 (manual shift model). Transmission shipped without speedometer drive gear.


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