Product Summary

4L60E, Four Number of Gears, Slip On Yoke Style

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    Key Specs

    Valve Body StyleAutomatic/Manual
    Lockup CompatibleNo
    Yoke StyleSlip On
    Input Shaft Spline Count35
    Material TypeAluminum
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    Need To Know

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    TCI Automotive 371030 Details

    This is the perfect transmission for your two-wheel drive towing and heavy-load trucking needs that range from 450 to 550 HP, depending on the application. These units have valve body modifications that increase cooler flow and improve shift characteristics without the harsh feel of a racing style transmission. When used with a TCI Heavy-Duty Towing Torque Converter, you can be sure the transmission package is tailored to provide long, dependable service and maximum fuel economy. The optional low gear package offered with each of our RV units is a great addition for trucks pulling heavy loads.

    This 4L60E Transmission is built with TCI Heavy-Duty Components to handle between 450-550 HP while imrpoving shift quality, cooler flow and durability.

    Warranty Information

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    TCI Automotive provides a limited warranty covering manufacturing defects for 30 days on racing equipment and 90 days on street/strip equipment, valid only for the original purchaser with proof of purchase. Approved transmission fluid and cooler flush products are required, and claims must be authorized through Edelbrock Group Tech Support. The warranty excludes modified, improperly installed or maintained, abused, accident‑damaged, improperly cooled, or unauthorized repaired products.

    TCI Automotive 371030 Specifications

    KEY SPECS
    MFG. Part #371030
    BrandTCI Automotive
    Valve Body StyleAutomatic/Manual
    Lockup CompatibleNo
    Yoke StyleSlip On
    Input Shaft Spline Count35
    Material TypeAluminum
    FinishNatural
    SFI RatingNot SFI-approved
    GENERAL
    Number of GearsFour
    Torque Converter IncludedNo
    Trans-Brake IncludedNo
    Fluid Fill LocationCase
    Transmission Pan MaterialAluminum
    First Gear Ratio2.48:1
    Flexplate Shield Built InNo
    Dipstick IncludedNo
    Transmission Shield IncludedNo
    NotesShipped without speedo driven gear or housing. May be reused only if replacing with same model of transmission.
    GTIN Code788120028332

    Questions & Answers

    Fitment

    • GM LS6

    • GM LS2

    • Gen 1 LB1 90-Degree Chevy

    • 2-Piece Rear Main Chevy 265

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • GM LS1

    • Gen 1 LB1 90-Degree Chevy

    • GM LS1

    • GM LS1

    • GM LS6

    • GM LS2

    • 2-Piece Rear Main Chevy 265

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • GM LS2

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • Gen 1 LB1 90-Degree Chevy

    • 2-Piece Rear Main Chevy 265

    • 2-Piece Rear Main Chevy 265

    • GM LS1

    • GM LS1

    • GM LS2

    Customer Impersonation Script