The Edelbrock/Musi 555 RPM Pro-Flo 4 is a complete crate engine with Pro-Flo 4 electronic fuel injection and is assembled with intake manifold, fuel injectors, fuel rails and throttle body, electronic engine control unit (ECU), high-quality billet distributor, complete harness, fuel pump, fuel hose, and hardware. Pro-Flo 4 is ready to run right out of the box with pre-loaded E-Tuner app and base calibrations. The Edelbrock E-Tuner app provides the ability to adjust air-fuel ratios, ignition curve, idle speed acceleration fuel and much more.
Displacement: 555 c.i.d.
Horsepower: 697 hp
Torque: 643 ft-lbs
Compression: 10.0:1
Block: Big-Block (9.8″ deck height)
Crankshaft: Forged Steel 4.250″
Pistons: Forged
Camshaft: Rollin’ Thunder Hydraulic Roller #2264
Rocker Arms: 1.7:1 Roller #77790
EFI Systems: Pro-Flo 4 #35860
Cylinder Heads: E-CNC #79555
Distributor: Included
Valve Covers: Cast Aluminum
Warranty: 2-Year / Unlimited Mileage
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