Mercury Mercruiser engines

Gas Sterndrive 350 MAG MPI Horizon 300 hp

It’s amazing how much performance you can pack into a small-block V-8. The 350 Mag MPI Horizon™ is the perfect example. All the maintenance-saving technology of a Horizon engine, all the craftsmanship of MerCruiser® and something you wouldn’t expect from a small-block V-8—300 horsepower.

Boating Benefits

  • 3-year extended maintenance interval (except for periodic fluid-level checks and seasonal oil and filter changes).
  • 3 years of factory-backed product protection–standard (includes standard 1-year warranty plus 2 years of extended Mercury Product Protection through the Mercury factory-administered program).
  • 3-year warranty against corrosion failure.
  • Closed-cooling with 5-year coolant.
  • Exclusive quick oil drain system that eliminates the need for a pump, simplifying routine maintenance.
  • Ceramic-coated exhaust elbows and manifolds for outstanding corrosion resistance.
  • Multipoint manual water drain system, which makes winterizing easy.
  • Exclusive remote oil filter located atop the engine, simplifying routine maintenance.
  • Exclusive drive lube monitor conveniently located atop the engine for easy access.
  • Compact hydraulic steering available for pontoon applications, which is offered as a factory-installed option on the Alpha drive packages.
  • Exclusive Mercury MerCruiser® service dealer network.

Mercury mercruiser marine engine mc Gas Sterndrive 496 MAG 375 hp Mercury marine engine 425 hp mercruiser marine engine 496 MAG gas engine 496 MAG 375 hp Bullock Marine

350 MAG MPI Horizon 300 hp Specifications

Propshaft Horsepower: 300 (224 kW)
Displacement (Litre/CID): 5.7/350
Cylinders: V-8
Bore & Stroke(in/mm): 4.00 x 4.38/101 x 111
Compression Ratio: 9.4:1
Fuel System: MPI
Full Throttle RPM Range: 4600-5000
Ignition Type: Digital
Alternator (amps/watts): 65 amp
Length (in/cm): 37/94
Width (in/cm): 29/74
Height (in/cm): 22/56
Weight (lbs/kg) - Alpha: 952/432
Weight (lbs/kg) - Bravo One: 1025/465
Weight (lbs/kg) - Bravo Two: 1037/471
Weight (lbs/kg) - Bravo Three: 1046/475
Transmission Ratios   
Gear Ratio - Alpha Drive (primary/optional/high altitude)   1.47/-/1.62
Gear Ratio - Bravo One (primary/optional/high altitude)   1.5/1.36/1.65
Gear Ratio - Bravo Two (primary/optional/high altitude)   2.0/1.81/2.2
Gear Ratio - Bravo Three (primary/optional/high altitude)   2.0/1.81/2.2

Standard Features
  • Audio warning system
  • Closed-cooling
  • Constant-tension hose clamps
  • Ceramic-, EDP- coated and painted exhaust elbows
  • Ceramic- and paint-coated exhaust manifolds
  • High-temperature spark plug wires
  • Knock-control sensor
  • MerCathode®
  • Platinum-tipped spark plugs
  • Power steering
  • Easy engine oil drain system
  • Remote oil filter
  • Serpentine belt
  • 90 mm throttle body
  • Water-cooled fuel system
  • Multiple blue hand-removable drain plugs located on port, starboard and front of engine
  • Water/fuel separator
  • Engine flush port
  • Seawater pump material - composite

Optional Features

  • Compact hydraulic steering
  • 3" risers

Drive available on

Bravo One
Bravo Two
Bravo Three
Alpha


Visit our other Mercury Marine Equipment

Gas Sterndrives

850 hp - HP900 SC   /   550 hp - HP 575 SCi   /   470 hp - HP500 Bulldog
470 hp - HP500 EFI   /   425 hp - 496 MAG HO   /   375 hp - 496 MAG
350 hp - Scorpion 377   /   320 hp - MX 6.2 MPI Horizon   /   320 hp - MX 6.2 MPI
300 hp - 350 MAG MPI Horizon   /   300 hp - 350 MAG MPI

Drive Options

Dry-Sump Six   /   Bravo One XR   /   Bravo One XZ
Bravo One   /   Bravo Two   /   Bravo Three   /   Alpha


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3101 Nasa Road One - Seabrook, Texas 77586
Tel: (281) 450-4734 - Fax: (281) 326-2855 - bbul980148@gmail.com


 

Bullock Marine offers new & used powerboats as well as performance boat accessories: skater, fountain, eliminator, Mercruiser Mercury Marine (competition - racers & performance propellers, Zero Effort Controls™, K-Plane™ high performance trim tabs, Mercury Racing Trim Indicators™, high performance engines, competition drive, etc.) cigarette boat, welcraft, scarab, donzi boats, catamaran raceboat, high speed twin hull, etc. Bullock Marine is an authorized dealer for Douglas Marine Skater Powerboat, Regy Fountain powerboat & sport boat, Eliminator powerboat & sport boat, and Mercury Mercruiser marine engines, Drive & accessories. Gas Sterndrive 350 MAG MPI Horizon 300 hp Mercury marine engine 350 MAG MPI Horizon mercruiser marine engine Horizon 300 hp gas engine 350 MAG MPI Horizon 300 hp Bullock Marine skater fountain eliminator performance boat boating race boat cigarette racing boats welcraft boat scarab powerboats eliminator powerboat skater raceboats Gas Sterndrive 350 MAG MPI Horizon 300 hp Mercury marine engine 350 MAG MPI Horizon mercruiser marine engine Horizon 300 hp gas engine 350 MAG MPI Horizon 300 hp Bullock Marine skater fountain eliminator performance boat boating race boat cigarette racing boats welcraft boat scarab powerboats eliminator powerboat skater raceboats Gas Sterndrive 350 MAG MPI Horizon 300 hp Mercury marine engine 350 MAG MPI Horizon mercruiser marine engine Horizon 300 hp gas engine 350 MAG MPI Horizon 300 hp Bullock Marine skater fountain eliminator performance boat boating race boat cigarette racing boats welcraft boat scarab powerboats eliminator powerboat skater raceboats

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