Mercury Mercruiser Engines

Multiport Fuel Injection MPI 8.2 MAG H.O. - 430 hp

THE FIRST NEW big block engine in more than a decade – the 8.2 continues MerCruiser's tradition of delivering the industry's best reliability, performance and ease-of-ownership. Engineered in collaboration with Mercury Racing, the 8.2 provides the superior big block fuel efficiency and performance boaters are accustomed to.

   Mercury Mercruiser Marine Engines Multiport Injection MPI 8.2 MAG H.O. - 430 hp


  • Industry-leading anti-corrosion protection from MerCruiser's closed cooling, MerCathode galvanic corrosion-prevention system and optional SeaCore™ system.
  • Engine protection from overheating, low oil pressure or low drive lube by our exclusive Engine Guardian protection system.


  • Sensational acceleration, immediate planning and superior mid-range throttle response delivered by the 8.2L V8 powerhouse.
  • Exciting performance and improved fuel efficiency – while protecting the environment – with MerCruiser's Emissions Control Technology.
  • Surplus power created by the 8.2L's large 65A high-output alternator.
  • Smooth operation and unsurpassed responsiveness with optional Digital Throttle & Shift system.


  • Easily check or add lubricant from inside the boat with the engine-mounted drive lube monitor
  • Draining water is a snap with MerCruiser's standard single-point air-actuated water drain system
  • Oil changes are cleaner, quicker and simpler via convenient top-mounted remote oil filter and threaded dipstick tube.
  • Checking fluid levels is simple and straightforward using color-coded service points
  • The 8.2L runs on less-expensive and easy-to-find 87 octane fuel

HP/Kw @ Prop 430/321
Max RPM (WOT) 4600 - 5000
Displacement 502 CID (8.2L)
Engine Type V8
Bore & Stroke 4.47 x 4.00 in / 113.5 x 101.6 mm
Compression Ratio 8.75:1
Fuel Requirement 87 Octane (R+M)/2
Engine Control System PCM 555 with SmartCraft CAN Capability
Fuel Delivery System Gen III Cool Fuel
Fuel Injection System Sequential Multi-Point Electronic Fuel Injection
Induction System High-inertia induction system
Ignition System Distributorless Ignition w/Knock Control and Platinum Spark Plugs
Charging System 65 Amp/917 Watt Alternator
Water Drain System Single Point Air-Actuated
Exhaust System Tuned Runner Exhaust Manifolds with 316 Stainless Steel Tubular Dry Joint Elbows
Cooling System Closed Cooling, Long Life 5-Year Anti-Freeze, Brass Sea Water Pump
Accessory Drive System Serpentine Belt, Stainless Steel Spring Automatic Tensioner
Recommended Engine Oil Mercury MerCruiser Full-Synthetic Engine Oil, 20W-40, NMMC FC-W rated
Engine Guardian System Low Oil Pressure, High Coolant Temperature, High Exhaust Manifold, Temperature, Low Drive Lube, Low Sea Water Pressure, Low Voltage, Over-rev control, Knock Control
Bravo One X Ratios 1.36, 1.50, 1.65 (high altitude)
Bravo Two X Ratios 1.81, 2.00, 2.20 (high altitude)
Bravo Three X Ratios 1.81, 2.00, 2.20, 2.43 (high altitude)
Bravo One XR Ratios 1.26, 1.35, 1.50
Bravo Three XR Ratios 1.65, 2.00
Weight lbs/kg (engine only) 1080/490
Digital Throttle & Shift Optional
Warranty 2-year limited (non-SeaCore models)*
4-year limted (SeaCore models)*
*Warranty applies to Installation Quality certified boat builders
Corrosion Warranty 3-year limited (non-SeaCore models)
4-year limited (SeaCore models)

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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. Mercury Mercruiser HP 1075 SCi 1075 HP marine engines racing boats Mercury Marine HP 575 SCi 575 HP Sterndrives performance boat Mercruiser HP 525 EFI 525 HP race boat engine for sale powerboats Mercury Mercruiser HP 500 EFI 500 HP stern drives power boat Mercury Marine Scorpion 377 377 HP marine engines high performance boats Mercruiser 496 MAG High Output 425 HP Sterndrives sport boat Mercury Mercruiser 496 MAG 375 HP race boat engine for sale powerboat Mercury Marine MX 6.2 MPI Horizon 320 HP stern drives performance boats Mercruiser MX 6.2 MPI 320 HP marine engines power boats Mercury Mercruiser 350 MAG MPI Horizon 300 HP Sterndrives engines Mercury Marine 350 MAG MPI 300 HP race boat engine for sale mercruiser Mercury Drive Dry-Sump Six drive racing mercruiser powerboats mercury Bravo One XR Sport Master sport boat drives sport boat V SSM drive mercury race power boats III-A SSM drives mercury mercruiser racing boats Bravo One XR drive powerboat Bravo X Diesel mercruiser drives sport boats Bravo XR mercury drive for sale power boats Bravo X drives mercruiser boats Bravo mercury drive sales pleasure Alpha drive mercruiser boat

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