Product Summary

700R4, Powerglide, TH350, TH400, 14.1" Outside Diameter

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    Key Specs

    MFG. Part #20232
    BrandB&M
    Tooth Count168
    Engine BalanceExternal
    SFI Rating29.1
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    Need To Know

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    B&M 20232 Details

    The B&M Racing SFI approved Flexplates are ideal for extreme duty race applications as well as street cars. These flexplates are SFI 29.1 approved, and legal for use in both NHRA and IHRA sanctioning bodies.

    • NHRA and IHRA Legal For All Classes
    • Includes SFI Certification Sticker
    • Ideal For Street Applications
    • To Extreme Duty Racing

    Application

    Fits 1955 to 1985 GM 400 cid small block engine. For externally balanced engines uses a 168 tooth ring gear. Has 10.75 inch and 11.5 inch bolt patterns. Compatible with Powerglide, TH350, TH400, and TH700R4 automation transmissions

    B&M 20232 Specifications

    KEY SPECS
    MFG. Part #20232
    BrandB&M
    Tooth Count168
    Engine BalanceExternal
    SFI Rating29.1
    GENERAL
    Outside Diameter14.1"
    Weight6.25 lbs.
    Sold in QuantityEach
    GTIN Code019695202323
    Crankshaft Bolt Hole Count6
    Dual PatternNo
    NHRA LegalYes
    IHRA LegalYes

    Questions & Answers

    1 Question • 1 Answer

    Mine is a one piece rear main seal and the flywheel hole is 2.06

    by Gary

    • a year ago

    1 answer

    1 of 1 questions shown

    Fitment

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

    • 2-Piece Rear Main Chevy 400

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