• Mercruiser 525EFI to 540EFI 675-700HP Engine Upgrade with Warranty - Core Required

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Item #: 502/540UP
Our Price: USD $18,495.00
Quantity:
 

Description 

More About Mercruiser 525EFI to 540EFI 675-700HP Engine Upgrade with 2 Year Warranty - Core Required:

Westcoast Offshore Marine Parts offers Pro Built Marine Engines at highly Competitive Prices. Our Pro Engine Builders have over thirty years’ experience in the Racing and Marine Engine business and we are one of the only high performance marine engine builders in the marketplace to offer a full two year warranty.

Now's the time to upgrade your tired old 502 MPI for the 540 EFI you've always wanted. Exchange your 502 MPI for a rebuilt 540 CI EFI marine engine with a SCAT rotating assembly and DART heads putting out over 675 HP. These meticulously built 540 engines are sure to satisfy your horsepower cravings.We will rebuild your 502 MPI into a 540CI EFI with Mercury 525EFI fuel injection unit. All custom fuel mapping & tuning done in house on our dyno and then shipped to you complete with dyno sheet.

Mercruiser 525EFI to 540EFI 675-700HP Engine Upgrade Highlights:

  • Hand picked 502 Gen VI block bored to 4.500"
  • Cylinders are plateau honed to within .0002" straightness and roundness
  • Block is square and parallel decked and align honed
  • Block is sonic tested for thickness
  • Scat 4340 4.25" stroke crank & fully balanced rotating assembly
  • SRP/JE Pistons and moly rings
  • Heavy duty double roller timing set
  • ISKY Hydraulic Roller Camshaft & Lifters
  • DART PRO 1 325CC Hard Anodized Marine Aluminum Cylinder Heads with w/2.300 SS Int/1.88 Inconel Exh Valves, 119cc Chambers
  • ISKY 1.550 Roller Hyd Special Processing High Endurance Valve Springs
  • ISKY Spring Retainers & Locks
  • Dyno Testing & Setup with Dyno Sheets
  • Rebuildable 502MPI Gen VI core Required
  • Quick Turnaround
  • Computer Reprogramming Included


**Performance exhaust required.

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