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Product Summary

396, 402, 427, 454, 496, 572, Bare Cylinder Head Style

    Key Specs

    Cylinder Head StyleBare
    Material TypeAluminum
    FinishNatural
    Combustion Chamber Volume118cc
    Intake Runner Volume315cc/300cc

    Need To Know

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    Details

    Direct bolt-on heads for Big Block Chevy Stock and Super Stock racers. No port profiling or bowl blending of ports.
    • Out-of-the-Box Bolt-On Performance
    • Hand-Blended Intake and Exhaust Bowls
    • CNC-Matched Intake/Exhaust Ports in Std Location
    • Thicker Deck Surfaces than Other Brands

    Charts

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    Specifications

    KEY SPECS
    BrandEdelbrock
    Cylinder Head StyleBare
    Material TypeAluminum
    FinishNatural
    Combustion Chamber Volume118cc
    Intake Runner Volume315cc/300cc
    GENERAL
    Exhaust Runner Volume110cc
    Combustion Chamber Volume Range110cc - 119cc
    Intake Runner Volume Range310cc - 319cc
    Exhaust Runner Volume Range110cc - 119cc
    Combustion Chamber StyleSemi-Open
    CNC-Machined RunnersNo
    CNC-Machined Combustion ChamberNo
    Intake Port ShapeRectangle
    Intake Port LocationStandard
    Exhaust Port ShapeRound
    Exhaust Port LocationStandard
    Intake Valve Diameter2.19"
    Intake Valves IncludedNo
    Intake Valve Angle26
    Exhaust Valve Diameter1.88"
    Exhaust Valves IncludedNo
    Valve Spring IncludedNo
    Damper Spring IncludedNo
    Machined for O-RingNo
    Valve Seats MachinedNo
    Valve Seat MaterialDuctile Iron
    Valve Stem Seals IncludedNo
    Valve Guides IncludedYes
    Valve Guide MaterialManganese Bronze
    Locks IncludedNo
    Retainers IncludedNo
    Guideplates IncludedNo
    Rocker Arms IncludedNo
    Rocker Arm Studs IncludedNo
    Rocker Arm Nuts IncludedNo
    Oiling StyleThrough Pushrod
    Heat CrossoverNo
    Steam Holes DrilledNo
    Accessory Bolt Holes DrilledYes
    Valve Cover Mounting StylePerimeter Bolt
    NotesUses 14mm spark plugs with 3/4" reach, and flat gasket seals
    Sold in QuantityEach
    GTIN Code085347605491