Item #: 502/540UP
Our Price: USD $11,495.00
Quantity:
 

Description 


More About Mercury Mercruiser 502 MPI to 540 MPI 550HP Engine Upgrade with 2 Year Warranty - Core Required:

Westcoast Offshore Marine Parts offers professionally-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 502MPI for the 540 you've always wanted. Exchange your 502MPI for a rebuilt 540CI marine engine with a SCAT rotating assembly putting out 550hp. These meticulously built 540 engines are sure to satisfy your horsepower cravings.

Mercruiser 502 MPI to 540 MPI 550HP 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
  • Heads Rebuilt with S/S 2.250 intake and 1.880 exhaust valves with Performance Marine Springs and Retainers
  • Dyno Testing & Setup with Dyno Sheets
  • Rebuildable 502MPI Gen VI core Required
  • Quick Turnaround
  • Computer Reprogramming Included

Performance exhaust required.


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