Mercury Mercruiser engines

Gas Sterndrive HP 575 SCI 550 hp

It’s a first for Mercury Racing® The HP575 SCi pairs a custom supercharger with fuel injection for greater power and control. You’ll enjoy turnkey starting, smooth-shifting, instant throttle response, and a very broad torque band throughout the engine’s operating range.

Boating Benefits

  • The MEFI 3 Electronic Control Module, which provides precise fuel and spark control and unmatched top-end throttle response.
  • A top-quality valve train designed for improved airflow and durability.
  • Custom-forged aluminum pistons.
  • Heavy-duty GM® -forged crankshaft.
  • Custom 256 CID Holley/Weiand Super Charger, matched with a state-of-the-art throttle body fuel injection system, that provides sport boaters with turnkey starting and offers enhanced idle air and spark control for easy docking and exciting driveability
  • A thermostatically controlled, high-capacity oil cooler that raises engine oil temperatures faster and keeps them more consistent.
  • The oil thermostat and a Positive Crankcase Ventilation (PCV) valve that work together to reduce buildup of condensation in the oil. The PCV valve also improves engine idle.
  • 1-year limited warranty.
  • Bravo One XR drive.
  • Exclusive Mercury MerCruiser® service dealer network

*GM is a registered trademark of General Motors Corporation.

Mercury mercruiser marine engine mc Gas Sterndrive HP 575 SCI 550 hp Mercury marine engine 550 hp 575hp sci mercruiser marine engine HP 575 gas engine 550 hp Bullock Marine

HP 575 SCI 550 hp Specifications

Propshaft Horsepower: 550 (410 kW)
Full Throttle RPM Range: 4800-5200
Displacement (Litre/CID): 8.2/502
Bore (in/mm): 4.47/113
Stroke (in/mm): 4.00/102
Compression Ratio: 7:50:1
Cylinders: V-8
Alternator (amps/watts): 60/847
Ignition Type: Digital
Fuel System: 2 X TBI
Fuel Requirements: 92 Posted Octane (R+M)/2 (98 RON)
Drive Unit: STD: Bravo One XR; OPT: Dry-Sump Six w/ Huber 600
Length (in/mm): 34/857
Width (in/mm): 34/857
Height (in/mm): 28/713
Weight (lbs/kg): 1162/528
Transmission Ratios Bravo One XR (standard) - 1.26/1.35/1.5:1
Dry Sump Six (optional) - 1.24/1.35/1.61:1

Standard Features
  • Advanced electronic control module
  • Throttle body fuel injection
  • Custom 256 CID supercharger
  • Positive crankcase ventilation valve
  • Digital ignition system
  • Available with Bravo One XR drive or Dry-Sump Six drive
  • One-year limited warranty for recreational boat use
  • Three-year limited corrosion protection warranty
  • Audio warning system
  • MerCathode®
  • Power steering
  • Multipoint hand-removable drain plugs
  • Remote oil filter
  • Water-cooled fuel system
  • Water/fuel separator
  • Seawater pump material - composite

Optional Features

  • Jackshaft (Drive-line and plug-in models available)
  • Engine flush port kit

Drive available on

Dry-Sump Six
Bravo One XR


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 HP 575 SCI 550 hp Mercury marine engine 550 hp 575hp sci mercruiser marine engine HP 575 gas engine 550 hp Bullock Marine skater fountain eliminator performance boat boating race boat cigarette racing boats welcraft boat scarab powerboats eliminator powerboat skater raceboats Gas Sterndrive HP 575 SCI 550 hp Mercury marine engine 550 hp 575hp sci mercruiser marine engine HP 575 gas engine 550 hp Bullock Marine skater fountain eliminator performance boat boating race boat cigarette racing boats welcraft boat scarab powerboats eliminator powerboat skater raceboats Gas Sterndrive HP 575 SCI 550 hp Mercury marine engine 550 hp 575hp sci mercruiser marine engine HP 575 gas engine 550 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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