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Performance Towing Torque Converter for GM 4L80E, 4L85E Transmissions [200 -300 RPM Over Stock Stall Range]
InfoVehicle Info Needed
JEGSPART NUMBER: 555-60428

Performance Towing Torque Converter for GM 4L80E, 4L85E Transmissions [200 -300 RPM Over Stock Stall Range]

$40259
More than 10 available
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

GM 4L80E, 4L85E
Towing Torque Converter
  • GM 4L80E, 4L85E Trans. for GM LS Eng.
  • Stall Range: 200-300 RPM Over Stock
  • Dia.: 300mm
  • Spline: 35
  • Bolt Circle: 11.675 in.
  • Crank Pilot: 1.703 in.
  • Lock Up: Yes
  • Anti-Ballooning Plates: No
  • Balanced: Yes

    JEGS 555-60428 Performance Towing Torque Converter Features:

    • Fits GM 4L80E, 4L85E Transmissions for LS Engines
    • 200-300 RPM Over Stock Stall Speed
    • 13.750 in. Diameter for LS Type Engines
    • Designed for the 2 Step 35-Spline Input Shaft
    • Torrington Style Incased Bearings
    • Extreme Temperature Heavy-Duty O-ring
    • 4 Corner Tac Welded Fins or Furnace Brazed
    • Hardened Chrome Moly Impeller Hub
    • Modified Extreme-Duty Stator
    • Oversized Extreme Duty Single Disk Lock Up
    • 6 Welded Nuts with M10-1.5 Threads for Attaching Flexplate to Torque Converter
    • Leak & Pressure Tested
    • Digitally Balanced

    JEGS 555-60428 Performance Towing Torque Converter Notes:

    • All Stall RPMs will vary Depending on Engine Set-Up VS Weight of the Vehicle VS The Gear Ratio and Tire Height Run Out
    • For use with Grade-8 hardware only
    • Use Type F Transmission Fluid For Best Results
    • Use Blue Loctite on Converter Bolts
    • Additional Transmission Cooler is Recommended
    • Part TypeAutomatic Transmission Torque Converter
    BrandJEGS
    Package Height7.9
    Package Width13.3
    Package Length13.7
    Weight59.2 PG
    Part CategoryPerformance Parts
    Anti-Ballooning PlateNo
    Crank Pilot Diameter1.703 in (43.256 mm)
    Converter Diameter13.750 in (349.25 mm)
    Stall Speed (Rpm)200-300 RPM Over Stock
    Converter Bolt Pattern11.675 in (296.545 mm)
    Input Spline Quantity35
    Converter TypeTowing
    Horsepower500
    Transmission Mfr. Code4L80E, 4L85E
    Part FitmentSemi Universal
    LockupYes
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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