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Edelbrock 47550

Edelbrock Musi 555 RPM XT EFI 723hp Big Block Chevy Crate Engine

350-47550

made in usa
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Save $20 Off $250, $50 Off $500, $100 Off $1,000, $150 Off $2,000. Promo Code: SAVEMORE exclusions apply

$20,009.99
Edelbrock Musi 555 RPM XT EFI 723hp Big Block Chevy Crate Engine $20,009.99
Out of stock
To order this item contact Customer Service at 1-800-345-4545.
Edelbrock/Musi 555 RPM XT EFI Crate Engine
  • Big Block Chevy 555ci
  • 723 HP, 652 ft/lbs
  • E-CNC Cylinder Heads
  • Pro-Flo XT EFI
  • Water pump not included
  • Edelbrock 47550 Details

    Electronic Fuel Injection

    The Edelbrock/Musi 555ci big-block Chevy is a powerful package and features Edelbrock's precision Pro-Flo XT electronic fuel injection. The Pro-Flo XT EFI system consists of a newly engineered intake manifold with a unique design delivers more horsepower and torque than a traditional single-plane intake manifold. The system also includes fuel injectors, fuel rails, fuel pump, throttle body, electronic engine control unit (ECU) and handheld calibration module. This engine can be tuned with the handheld calibration module or with a laptop.

    After detailed assembly and dyno testing, you can rest assured that each motor was constructed by hand with the utmost quality and care by Pat Musi, applying 37+ years of big block Chevy experience.
    2 year/unlimited mileage warranty.

    SPECIFICATIONS

  • Displacement: 555 c.i.d.
  • Horsepower: 723
  • Torque: 652
  • Compression Ratio: 10:1
  • Bore/Stroke: 4.560" x 4.250"
  • Max Recommended RPM: 6500
  • Block: Big Block 9.8"
  • Crank: Forged steel 4.250"
  • Pistons: Forged
  • Rods: H-beam
  • Camshaft: Rollin Thunder Hydraulic Roller
  • Rocker Arms: 1.7:1 Roller
  • Cylinder Heads: E-CNC (350-79559)
  • Intake Manifold: Victor Jr. EFI
  • EFI: Pro-Flo XT (350-35593)
  • Distributor: Included
  • Fuel Pump: Included
  • Oil Pan: 6-Quart
  • Valve Covers: Cast Aluminum




  • Specifications:

    Engine Make/Size
    Chevy Big Block
    Engine Assembly Style
    Long block
    Engine Balance
    Internal
    Assembled
    Yes
    RPM Power Range
    1500-6500
    RPM Power Range
    1500-6500
    Horsepower
    723
    Compression Ratio
    10.0: 1
    Cylinder Heads Included
    Yes
    Camshaft Style
    Hydraulic roller tappet
    Crate Engine Cylinder Head Material
    Aluminum
    Intake Manifold Included
    Yes
    Carburetor Included
    No
    Throttle Body Included
    Yes
    Distributor Included
    Yes
    Oil Pan Included
    Yes
    Timing Cover Included
    Yes
    Water Pump Included
    No
    Harmonic Balancer Included
    Yes
    Valve Covers Included
    Yes
    Flexplate Included
    No
    Flywheel Included
    No
    Air Cleaner Included
    No
    Spark Plugs Included
    No
    Spark Plug Wires Included
    No
    Fuel Delivery
    Fuel Injection
    Computer Included
    No
    Wiring Harness Included
    No
    Rear Main Seal Style
    1-piece
    Quantity
    Sold individually
    Emission
    Not Legal
    CARB EO Number
    N/A
    CARB EO Number
    N/A
    Manufacturer's Part Number:
    47550
    Shipping Weight:
    700
    Package Height:
    40
    Package Depth:
    31
    Package Width:
    27


    FIVE-FIFTY-FIVE CUBIC INCHES!



    Edelbrock/Musi 555 crate engines are a powerful big cubic inch package that feature the all new Edelbrock E-CNC cylinder heads for the ultimate in Edelbrock performance. E-CNC cylinder heads are fully CNC ported to achieve optimal air-flow for maximum horsepower and torque in high-performance street and light-duty racing applications. They feature exhaust port exits in the stock location, which allow for the use of off-the-shelf headers. They are available in three options: carbureted and with Pro-Flo 2 or Pro-Flo XT electronic fuel injection. Each engine is assembled by 8-time Pro Street World Champ Pat Musi. They all deliver maximum HP and torque on 91 octane.

    What is the weight of this engine as shown

    Asked by: daddy b
    The weight of this engine is approximately 650 lbs.
    Answered by: Rusty B
    Date published: 2018-10-08

    I am thinking of this engine for a building project. my only concern is finding a suitable manual transmission setup along the lines of a Tremec 6 speed can these be identified and bought as a package?

    Asked by: whittler257
    You can talk with one of our technicians and we can match up your application.
    Answered by: Rusty B
    Date published: 2018-05-29

    I have a 1977 chevy malibu classic will this engine fit in my car

    Asked by: art123
    With the proper mounts, this will bolt into the '77 Malibu.
    Answered by: Jon Jegs Tech
    Date published: 2018-02-23
    • y_2019, m_9, d_17, h_18CST
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    Some parts are not legal for use in California or other states with similar laws / regulations

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