MerCruiser 7.4 454 Magnum V8 Engine

FOR SALE MerCruiser 7.4 454 Magnum V8 Engine. This is the 365hp with forged internals and oval port heads. It runs great and is ready to go.

Key Specifications

• Displacement: 454 cubic inches (7.4 liters)
• Horsepower: 310 HP to 385 HP (Magnum/MPI models)
• Engine Type: Cast-iron block, 4-bolt mains with forged internal components
• Dry Weight: ~965 to 980 lbs
• Oil Capacity: 7 US quarts (6.6 L)
• Operating RPM Range: 4,000–5,000 RPM