On Sale MerCruiser 350HP 350 Mag MPI Complete Engine Only US$12.550.00. Built with a cast iron block and cylinder head, this engine features Multi-Port Fuel Injection (MPI) and a Dry Joint exhaust for maximum durability. It uses 87 octane fuel and is an ideal replacement for a sterndrive or inboard.
- Horsepower: 300 hp (224 kW) at the prop
- Displacement: 350 CID (5.7L)
- Engine Type: V8, 4-stroke
- Full Throttle RPM Range: 4800 – 5200 RPM
- Bore and Stroke: 4.00″ x 3.48″ (101mm x 88mm)
- Fuel System: Multi-Port Fuel Injection (MPI) with Cool Fuel II
- Ignition: ECM555 with Engine Guardian System
- Alternator: 65 Amp / 917 Watt
- Dry Weight: 932 lbs (423 kg)
- Recommended Fuel: 87 Octane [1, 2, 3, 4]
Engine Features 100% new Quicksilver:
- Cast Iron Engine Block
- Raw Water Cooling with Warm Exhaust Manifolds
- Flush System
- Special Flame Graphics
- Multi‑Port Fuel Injection using Cool fuel II
- Dry Joint Exhaust
- Roller Camshaft
- Quicksilver Cast Iron Cylinder Heads featuring Black‑X Valve Tech
- 1.5:1 stamped rocker arms
- ECM555
- Engine Guardian
- SmartCraft Ready
- Mechanical Throttle and Shift
- 10‑Pin Harness
- Runs on 87 Octane Fuel.


















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