Product Summary

TH400

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    Key Specs

    MFG. Part #20228
    BrandB&M
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    Need To Know

    Quick and Easy Returns

    Return Policy

    B&M 20228 Details

    The B&M Transpak has all the features in the Shift Improver Kit, plus it provides additional driver manual control. Retain full automatic features and standard shift points with selector in Drive.

    • Recalibrate Auto. Transmission
    • Optimum Performance
    • Select Your App. Mode
    • Improves Transmission Life

    Application

    Fits 1965 to 1987 GM Turbo-Hydramatic 400, Turbo-Hydramatic 375 and M40 automatic transmissions

    Charts

    B&M 20228 Specifications

    KEY SPECS
    MFG. Part #20228
    BrandB&M
    GENERAL
    GTIN Code019695202286
    Gaskets IncludedYes

    Questions & Answers

    Fitment

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