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Product Summary

389, 400, 421, 428, 455, Hex Wrench Type, Chromoly

    Key Specs

    BrandEdelbrock

    Need To Know

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    Details

    Edelbrock Head Bolt Kits contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining.
    • Highest Quality Head Bolts
    • Cold-Formed/Heat Treated
    • Ensures Molecular Integrity
    • Reduced Diameter Bolt Heads
    • Hardened/Parallel-Ground Washers Included
    • Rated At 170000 psi
    • Manufactured By ARP

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    Specifications

    KEY SPECS
    BrandEdelbrock
    GENERAL
    Wrench TypeHex
    Fastener StyleBolt
    Material TypeChromoly
    Cut to FitNo
    FinishBlack Oxide
    ColorBlack
    Undercut StudNo
    Washers IncludedYes
    Washer StyleFlat
    GTIN Code085347085569
    NotesDesigned to fit cylinder heads manufactured before 03/15/02.
    Sold in QuantityKit