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ED-47550 - Edelbrock BBC 555 723HP Crate Engine

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Pricing: $18,545.23

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Edelbrock/MUSI 555 RPM XT Pro-Flo XT EFI 10.0:1 - (723 HP & 652 TQ)

Edelbrock/Musi 555 crate engines are a powerful big cubic inch package that features 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 allows 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. The Edelbrock/Musi555 Pro-Flo XT is the most powerful package in our line and features our powerful 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, 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.

Power: 723 HP, 652 ft. lbs. of torque, click on Documents Tab for Dyno Sheet
Displacement: 555 CIDL
Bore x Stroke: 4.560” x 4.250”
Compression Ratio: 10:1
Recommended Fuel: 91 Octane
Block: Dart Big-M 9.8”
Crankshaft: Scat Forged Steel 4.250
Pistons: Forged
Camshaft: ED2264 Steel Hydraulic Roller Tappet
Cam Lift: .632” Intake / .648” exhaust
Cam Duration @ .050”: 248 deg. Intake / 256 deg. Exhaust
Lobe Separation: 112 Degree
Cylinder Heads: ED79555 E-CNC 355 Aluminum, 7/16” screw-in rocker studs.
Combustion Chamber: 118cc
Valves: 2.30” Intake/ 1.88” Exhaust
Rocker Arms: Aluminum Roller, 1.7:1 Ratio
Finish: Edelbrock Components are Satin and Black Finish

Engine Includes:
• Oil pump, pick-up and oil pan
• ED35593 Edelbrock Pro-Flo XT EFI System
• Mallory Distributor
• Cast Aluminum valve covers with Edelbrock logo
• 8” Harmonic Balancer
• Front timing cover
• Water Pump NOT Included
• Oil Filter and Adapter


2 year / Unlimited mileage parts & labor warranty.

Optional Edelbrock Engine Break-In and Dyno Service


Edelbrock Performance Parts and Accessories

From Edelbrock intake manifolds to carburetors to EFI systems, Edelbrock parts run the gamut of high performance components. But with Edelbrock, you don't have to worry about their specializing in many areas, because they take performance just as seriously as you do. That means all their products are not just tuned and tested for performance, but for Edelbrock performance. With a racing heritage of almost 90 years, you can be sure Edelbrock won't be cutting corners when it comes to innovation and build quality. After all, they' have a reputation to protect.

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  • Item Requires Shipping
  • 500.0 lbs.
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  • FREE 48 State Truck Freight Shipping (International shipping will require freight quote)

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