383 MAG Inboard 4V - Engine Only. 340 HP @ 5000 RPM.
383 MAG Inboard 4V Engine Only. 340 HP @ 5000 RPM. 383 Cubic Inch Motor Fully Dressed Inboard Marine Engine. Engine Features: Special Flame Graphics, New 750 cfm 4bbl Carburetor, Dry Joint Exhaust, 100 PSI Oil Pump, 4340 Steel Stroker Crankshaft, High-Lift Camshaft, 1.6:1 Roller Rocker Arms, Vortec 062 Casting Cylinder Heads Machined with Rocker Studs, Stainless Steel Valves, 9.0:1 Hypereutectic Pistons, Oil Cooler, Thunderbolt V Ignition with Knock Control, Raw Water Cooling, Inboard High-Mount Starter, Plastisol-Coated Oil Pan, 10-Pin Harness. Runs on 87 Octane Fuel. Equipped with Single-Stage Spring Driveplate for Most Types of Transmissions.
Replaces all Makes of 5.7L & 7.4L Carbureted Inboard Engines.
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