B&M 117309 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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$3,572.00   Suggested Retail
$3,213.95   Your Price
Estimated shipping date: 12/31/2021
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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

Product Attributes

Brand B&M
Emission Code5
Manufacturer Part Number117309
Product TypeAutomatic Transmissions
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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    Some parts are not legal for use in California or other states with similar regulations.