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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.
Fast Facts
Propshaft
HP
300-hp
Configuration
V-8
Displacement
5.7 L / 350 CID
Bore & Stroke
4.0
Fuel
System
Multi-Point Electronic Fuel Injection
Base
Engine Weight
1,044 lbs.
Length/Width/Height
32x30x22 in.
Max RPM@WOT
4800-5200
Warranty
3 years
Key Features
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.
Compact hydraulic steering available for pontoon applications, which is offered as a factory-installed option on the Alpha drive packages.
Compact hydraulic steering available for pontoon applications, which is offered as a factory-installed option on the Alpha drive packages.
Cranked-fired High Voltage Switch w/Knocked Contro
Cylinders/Configuration
V-8
Cooling System
Closed-cooling
Bore & Stroke
4.0
Exhaust System
Closed Cooled Iron Manifold w/ Ceramic Coated
Shaft Length
Electronic Engine Display
Aspiration
MerCruiser 350 MAG MPI Horizon (300-hp)
Multiport Injection (MPI) inboard models are now available with optional Digital Throttle and Shift (DTS). DTS eliminates all helm maintenance and provides silky-smooth shifts for the life of the prod