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B&M Prerunner/Trail Automatic Transmission - LS Engine 4L60E

1998-2006 GM LS 4L60E (Electronic Shift Model) 2-Wheel Drive, Manual Shift Valve Body.

PART# 117309

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$3,335.00   Suggested Retail
$3,000.95   Your Price
Estimated shipping date: 12/14/2020
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The B&M GM 4L60E PreRunner/Trail automatic transmission is for use with Chevrolet LS based engines. This transmission features a manual/forward valve body and includes a deep, cast aluminum pan. Internal components include a beast sunshell, reinforced input drum, "Billet" Corvette 4th gear servo, all new solenoids & wiring harness, 29 element dual cage sprag, all new high performance friction plates, and 8 Count 3-4 Friction Pack with Koleen steels. Max 550 HP / 450 Ft/Lbs. Intended for off road/trail use.


  • Rated to 550HP and 450 FT/LBS
  • Includes Deep Aluminum Pan
  • Manual/Forward Valve Body
  • Intended for Off-Road Use


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
Friction Plates:New
Gear Ratio-First3.06
Gear Ratio-Fourth0.70
Gear Ratio-Second1.63
Gear Ratio-Third1.00
Horsepower Rating (HP)550
Horsepower Rating (HP)550
Manual Valve BodyYes
Part TypeOff Road
Product TypeAutomatic Transmission Assembly
Reverse Gear Ratio2.29
Reverse PatternNo
Torque Converter IncludedNo
Torque Rating (Ft/Lbs)450
Transmission Model4L60E
Transmission Pan FinishNatural
Transmission Pan MaterialAluminum
Transmission Pan TypeDeep, Cast
Transmission SeriesPrerunner/Trail
Transmission Speeds4
Transmission Type4L60E
Valve Body ConfigurationRecalibrated
Valve Body PatternForward
Valve Body TypeManual
California Proposition 65 Chemical NameBenzene
Chromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number117309



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 on LS engines. Does not replace 4L60 (manual shift model). Transmission shipped without speedometer driven gear or housing.


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