Product Summary

LS1, LS2, LS4, LS6, Multi-port Injection Style

    Key Specs

    MFG. Part #70064
    RPM Range1,500-6,500

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    FiTech 70064 Details

    LS1 Cathedral Port, Short Aluminum Intake Manifold With Rails

    This LS1 cathedral port short aluminum intake manifold with fuel rails are a complete self-tuning induction systems for LS engines designed for the do-it-yourself hot rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine and get you on the road easily and faster than any system on the market today. Forget sourcing mismatched parts and cutting and splicing old harnesses and re-flashed ECU's from Craigslist tuners.

    • The low-profile intake manifold is fabricated from T-6061 aluminum with 102mm inlet and a 1,500 to 6,500 rpm powerband.
    • The billet fuel rails include AN fittings and fuel crossover.
    • Kit includes o-ring seals and hardware. For 500 HP LS1 engines.
    • Black Anodized Finish


    6.5" height
    13" inch wide
    17" inch long

    CARB Warning

    For use on pre-1966 vehicles only

    Emissions warning: this part only legal for sale or use in California 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.

    FiTech 70064 Specifications

    MFG. Part #70064
    RPM Range1,500-6,500
    Injection StyleMulti-port
    Throttle Body Bore Size92mm
    Intake Section IncludedComplete
    Base MaterialAluminum
    Throttle Body IncludedNo
    Injectors IncludedNo
    Aftermarket Fuel Rail RequiredYes
    Overall Height6.50"
    Runners IncludedYes
    Runners RemovableNo
    Supplemental Bosses Cast-InNo
    Supplemental Bosses MachinedYes
    Supplemental Boss Quantity8
    Sold in QuantityKit
    NotesShort manifold. Kit includes o-ring seals and hardware. For 500 HP LS1 engines.
    GTIN Code852192008469
    Cylinder Head ConfigurationCathedral Port LS1/LS2/LS6
    Multi-Port Fuel Rails IncludedYes