Product Summary

5.7, 6.1, 6.4, Upper to Lower Gasket Set Type

    Key Specs

    MFG. Part #300-656

    Need To Know

    Free Shipping on Orders Over $149

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    Return Policy

    Holley 300-656 Details

    Replacement O-Rings for Seal Between Cylinder Head and Gen III Hemi Hi-Ram Intake Manifold

    Fits Intake Manifolds 300-650, 300-650BK, 300-651, 300-651BK, 300-653, 300-653BK

    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.

    Holley 300-656 Specifications

    MFG. Part #300-656
    GTIN Code090127101612
    Speedway Motors Catalog Part #425-300656
    Gasket Set TypeUpper to Lower
    Sold in QuantityEach
    Hardware IncludedNo