Product Summary

5.7, EFI Fuel System Type, Multi-port Injection Style

    Key Specs

    MFG. Part #300-652
    Intake Manifold TypeHi-Ram
    Material TypeBillet Aluminum

    Need To Know

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    Return Policy

    Holley 300-652 Details

    Early 2003-2008 5.7L Gen III Hemi engines had smaller intake ports & these adapters allow the installation of Intake manifolds w/ the larger ports to fit on these Early engines.


    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 300-652 Specifications

    MFG. Part #300-652
    Intake Manifold TypeHi-Ram
    Material TypeBillet Aluminum
    Speedway Motors Catalog Part #425-300652
    Fuel System TypeEFI
    Injection StyleMulti-port
    Intake Section IncludedAdapter Plates
    Throttle Body IncludedNo
    Injectors IncludedNo
    Fuel Rails IncludedNo
    Hardware IncludedYes
    Gaskets IncludedYes
    Overall Height0.945"
    Runners IncludedNo
    Emission Code3
    Sold in QuantityKit
    GTIN Code090127101582