Made in USA
Musi 555 Carbureted 676hp Big Block Chevy Crate Engine
InfoVehicle Info Needed
EDELBROCKPART NUMBER: 350-49550

Musi 555 Carbureted 676hp Big Block Chevy Crate Engine

$20,77595
Truck Freight
ShippingShips on Sep 04, 2026
Lowest PriceLowest Price Guarantee

Carbureted
    Edelbrock/Musi 555 Carbureted Crate Engine
  • Big Block Chevy 555ci
  • 676 HP, 649 TQ
  • Victor 454-R Jr. Manifold
  • E-CNC Cylinder Heads
  • 800 cfm Thunder AVS Carburetor
  • Water pump not included

    The carbureted package includes a Victor Jr. intake manifold and 800cfm Thunder Series AVS carburetor. It delivers an incredible 676 horsepower and 649 ft./lbs. of torque.

    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: 676
  • Torque: 649
  • 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: Crane 1.7:1 Roller
  • Cylinder Heads: E-CNC (350-79559)
  • Intake Manifold: Victor 454-R
  • Carburetor: Thunder Series AVS 800 cfm
  • Distributor: Included
  • Oil Pan: 6-Quart
  • Valve Covers: Cast Aluminum

    ENGINE OIL: The engine is supplied with Edelbrock Break-In Oil in the crate. Before starting the engine, you will need to prime the oil system. Do not turn the engine over with starter motor for priming. Mark the distributor, as it comes preset on #1 cylinder. Then, remove and use a priming tool to turn the pump shaft.  

    Change the engine oil no more than 300 miles after break-in.  Use of oil with zinc or a zinc additive for the life of your engine is recommended.

     

Part TypeEngine
BrandEDELBROCK
Package Height27.0
Package Width31.0
Package Length40.0
Weight430.0 PG
Part CategoryPerformance Parts
Wiring Harness IncludedYes
Spark Plug Wires IncludedNo
Cylinder Head MaterialAluminum
Air Cleaner IncludedNo
Carburetor IncludedYes
Carb Eo NumberN/A
Water Pump IncludedNo
EmissionNot Legal
Flexplate IncludedNo
AssembledYes
Engine Assembly StyleLong block
Intake Manifold IncludedYes
Engine Make/SizeChevy Big Block
Flywheel IncludedNo
Engine TypeHigh-Performance Crate Engine
Rear Main Seal Style2-piece
Valve Covers IncludedYes
Horsepower630
Distributor IncludedYes
FinishNatural
Camshaft StyleHydraulic roller tappet
Engine Block MaterialCast iron
Cylinder Heads IncludedYes
Computer IncludedYes
Throttle Body IncludedNo
Harmonic Balancer IncludedYes
QuantitySold individually
Rpm Power RangeIdle-5500
Engine BalanceInternal
Oil Pan IncludedYes
Part FitmentSemi Universal
Engine Displacement555 ci.
Timing Cover IncludedYes
Spark Plugs IncludedNo
Vendor Part Number49550
Package Qty1
Package TypeEA
No Questions
No Reviews

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Break-In/Engine Oil Supplement [12 oz. Bottle]

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Engine Lifting Chain 34"

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Engine Stand [1250 lb. Capacity]

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Engine Stand 2000 lbs.

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