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Product Summary

396, 402, 427, 454, 1.88" Port Height, 1.81" Port Width

    Key Specs

    BrandSpeedway Motors

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    Details

    • Fits Big Block Chevrolet engines, with rectangular exhaust ports
    • Stock exhaust port dimensions

    Specifications

    KEY SPECS
    BrandSpeedway Motors
    GENERAL
    Port Height1.88"
    Port Width1.81"
    Sold in QuantityPair