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Crate Engine #49550 Big-Block Chevy 555, Carbureted, 676 HP, 649 ft-lbs

Edelbrock/Musi 555 part #49550 carbureted big block Chevy crate engine is a powerful big cubic inch package that features the all new Edelbrock E-CNC cylinder heads for the ultimate in Edelbrock performance. Direct from Edelbrock only!
Direct from Edelbrock only! The Edelbrock/Musi 555 part #49550 Big-Block Chevy crate engine is a powerful big cubic inch package that features the all new Edelbrock E-CNC cylinder heads for the ultimate in performance. This engine delivers an incredible 676 horsepower and 649 ft-lbs. of torque on 91 octane pumps gas. The Edelbrock E-CNC cylinder heads are fully CNC ported to achieve optimal air-flow for maximum horsepower and torque in high Performance's street and light duty racing applications. This crate engine features exhaust port exits in the stock location, which allows for the use of off-the-shelf headers. Each engine is assembled by 8-time Pro Street World Champ Pat Musi. The crate engine carbureted package includes a Victor Jr. intake manifold and 800cfm Thunder Series AVS carburetor. Engine Specifications: - Displacement: 555 c.i.d. - Horsepower: 676 hp - Torque: 649 ft-lbs. - Compression: 10.0:1 - Block: Big-block 9.8" - Crankshaft: Forged Steel 4.250" - Pistons: Forged - Camshaft: Rollin' Thunder Hydraulic Roller #2264 - Rocker Arms: 1.7:1 Roller - Manifold: Victor Jr. 454-R #2902 - Cylinder Heads: E-CNC #79555 - Carburetor: Thunder Series AVS 800 cfm carb - Distributor: Included - Valve Covers: Cast Aluminum - Warranty: 2-year / Unlimited mileage
More Information
Manufacturer Edelbrock
Application Application Specific
UPC 00085347495504
Grade Type Performance
Quantity Sold Individually
Wiring Harness Included Yes
Main Bearing Cap Bolt Quantity 4-Bolt
Availability Note Built to Order
Warranty 24 Months
Horsepower 676 HP
Type Big-Block Chevy
Camshaft Type Rollin' Thunder, Hydraulic Roller
Rocker Arm Type Roller
Carburetor Choke Type Manual
Carburetor Type AVS2 800 CFM, Satin
Rocker Arm Ratio 1.5:1
Induction Type Carbureted
Spark Plugs Included No
Intake Manifold Type Victor Jr., Dual 4150, Satin
Oil Filter Included Yes
Rear Main Seal Type 2-Piece
Valve Cover Material Cast Aluminum
Hardware Included Yes
Manifold Material Aluminum
Plug Wire And Boot Included No
Compression Ratio 10.0:1
Construction Type Assembled
Flywheel Included No
Cylinder Head Type Performer E-CNC
Piston Type Forged Aluminum
Timing Cover Included Yes
Cylinder Head Material Aluminum
Valve Cover Included Yes
Harmonic Balancer Included Yes
Crankshaft Material Forged Steel
Air Cleaner Type Not Included
Distributor Included Yes
Throttle Body Included Yes
Displacement 555 cid
Oil Pan Included Yes
Water Pump Included No
Engine Block Material Cast Iron
Torque 649 ft-lb
Alternator Included No
ECU Included No
Idler Pulley Included No
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Chromium, Lead, and Zinc which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Ships with no oil inside of engine; Your engine is supplied with 8 qtrs. of Edelbrock Break-In Oil in the crate. Before starting engine, you will need to prime the oil system. Do not turn engine over with starter motor for priming.; This engine is not supplied with the crankshaft bolt due to many different applications. The customer must purchase and install the crankshaft bolt that matches the given application.
Universal Or Specific Fit Specific
Valve Cover Type Victor, Low Profile, Black Textured Powder Coated