Product Summary

Multi-Port Injection (MPI) Throttle Body Style, Natural

    Key Specs

    MFG. Part #112-557

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    Holley 112-557 Details

    Does your engine seem like it's out of breath? You can increase engine breathing with a Holley high-air-flow throttle body! Fully CNC machined from 6061 billet aluminum, these new Holley throttle bodies are designed to use the stock TPS and IAC to simplify installation. Some throttle bodies are even anodized clear, blue or red for good looks. They also include all the necessary vacuum ports and linkage to facilitate installation. Don't get left in the dust. New Holley high-flow throttle bodies are the ticket to ride.

    • High Flow EFI Throttle Body 2 x 52mm
    • Clear Coat


    CARB Warning

    For race/ off road use only

    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. 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 112-557 Specifications

    MFG. Part #112-557
    Throttle Body StyleMulti-Port Injection (MPI)
    Throttle Body Barrels2-Barrel
    Throttle Body Bore Size52mm
    Throttle Body Flange Type2-Barrel 3-Bolt
    Throttle Body MaterialAluminum
    Throttle Body FinishAnodized
    TPS Sensor IncludedNo
    IAC Motor IncludedNo
    Injectors IncludedNo
    Gaskets IncludedYes
    Hardware IncludedNo
    Emission Code3
    GTIN Code090127547687
    Sold in QuantityEach