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Product Summary

396, 402, 427, 454, Cast Aluminum, Powder Coated

    Key Specs

    MFG. Part #241-304
    BrandHolley
    Material TypeCast Aluminum
    FinishPowder Coated

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    Details

    Holley's Vintage Series Big Block Chevy valve covers are the latest expansion to the Vintage Series family of aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brandmark.These valve covers are manufactured from die-cast aluminum and include cast-in oil drippers and emissions provisions punch-outs for you custom application. These were designed as a standard height BBC cover, therefore internal clearances are only enough for stock or stock-replacement valve train. Includes vintage inspired push-in rubber oil fill plugs, a PCV grommet, and baffle plates with their required mounting screws.The BBC Vintage Series valve covers are available in five unique finishes: natural cast, polished, satin black machined, Holley red machined, and factory orange machined – and a color matched Vintage Series finned air cleaner assembly is currently offered in most finishes.
    • Designed for Big Block Chevy engines with stock or stock replacement valve train
    • Rugged cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
    • 2.5” clearance at lowest internal wall (valley side) and 3” internal clearance (header side) with cast-in oil drippers
    • Includes emissions provisions punch-outs for your custom application
    • Includes vintage inspired push-in oil fill plugs, a PCV grommet, and baffle plates with their required mounting screws
    • Finned for improved heat dissipation
    • Available in five unique finishes: natural cast, polished, satin black machined, Holley red machined, and factory orange machined
    • Matching Vintage Series air cleaner assemblies available in most finishes

    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
    MFG. Part #241-304
    BrandHolley
    Material TypeCast Aluminum
    FinishPowder Coated
    GENERAL
    ColorOrange
    BaffledYes
    Gaskets IncludedNo
    Grommets IncludedYes
    Hardware IncludedNo
    GTIN Code090127029107
    Sold in QuantityPair