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Product Summary

Universal Fit, Natural, Square Port Flange Style, Steel

    Key Specs

    MFG. Part #930M440
    BrandSpeedway Motors
    FinishNatural
    Material TypeSteel

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    Details

    These big block Mopar header kits feature 18 gauge mild steel designed for many racing and rodding applications. Fits 383, 400, 413, 426 wedge, and 440 engines.  Kit includes eight mandrel-bent primary tubes, two pre-formed collectors, two extra-thick square port flanges, two gaskets and twelve bolts for headers.

    Designed for the seasoned, hands-on enthusiast, weld up headers will require some cutting, fitting and welding.

    Item Details

    1-7/8" Tube, 3-1/2" Collector

    Guides & Documents

    Specifications

    KEY SPECS
    MFG. Part #930M440
    BrandSpeedway Motors
    FinishNatural
    Material TypeSteel
    GENERAL
    Flange StyleSquare Port
    Primary Tube Diameter1-7/8"
    Collector Diameter3-1/2 Inch
    Collector Length12.25"
    Flange Thickness.31"
    Port Height1.51"
    Port Width1.75"
    Hardware IncludedYes
    Gasket(s) IncludedYes
    Sold in QuantityKit