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- 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
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
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Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.
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.
