Menu

Shop

Garage

Cart

Account

Product Summary

TH350, TH400, 2800-3200 Stall Speed (RPM)

    Key Specs

    MFG. Part #20481
    BrandB&M

    Need To Know

    This Product Will Ship Free

    Shipping Policies & FAQs

    Quick and Easy Returns

    Return Policy

    Details

    Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

    • 2800-3200 RPM
    • Small and Big Blocks
    • Serious Performance
    • Furnace Brazed

    Application

    Fits GM 1965 to 1991 TH400, TH425 and TH350. Also fits GM 1968 to 1981 TH350 and TH375B. Does not fit TH350C models with locking torque converter

    Charts

    Specifications

    KEY SPECS
    MFG. Part #20481
    BrandB&M
    GENERAL
    Lockup CompatibleNo
    Stall Speed (RPM)2800-3200
    Bolt Circle Diameter10.75"
    Furnace-BrazedYes
    NotesNew needle bearings
    Material TypeSteel
    GTIN Code019695204815
    Flexplate Change NeededNo