350 HP 100% New Plus Series Quicksilver Sterndrive Engine |3 year Limited Warranty
350 MPI ALPHA Alpha Engine Only. 300 HP @ 5000 RPM. 350 Cubic Inch FullyDressed Marine Engine. Engine Features 100% new Quicksilver:
Cast IronEngine Block
Raw Water Cooling with Warm Exhaust Manifolds
Flush System
Special Flame Graphics
Multi-Port Fuel Injection using Cool fuel II
Dry Joint Exhaust
Roller Camshaft
Quicksilver Cast Iron Cylinder Heads featuring Black-X Valve Tech
1.5:1 stamped rocker arms
ECM 555
Engine Guardian
SmartCraft Ready
Mechanical Throttle and Shift, and 10-Pin Harness.
Runs on 87 Octane Fuel.
NOTE: If used with an Alpha One (Gen I) drive, this engine requires SeawaterPump Kit 46-8M0139983 & serpentine belt 57-865615Q03 (sold separately) forproper cooling.
NOTE: Because this is a completely new engine and not a major repowerassembly, the old engine being replaced is to be returned per EPA 1068.240.
This 300 HP 100% New Quicksilver Sterndrive EngineReplaces: 5.0 EFI, 5.0L MPI, 5.7L EFI, & 350 MPI sterndrive Alpha models.
Since the focus of PLUS-SERIES ENGINES is repower, many parts included in new MerCruiser engines used for new boat construction are notincluded. Parts such as: transoms, trim pumps, Y-Pipes, rigging, props, boat harnesses, riser kits, closed cooling kits, steering cylinders, lubes, andmany other parts required for a successful repower must all be purchased separately.
Adapting Plus Series engines to specific applications may require some parts to be transferred from the engines coming out of the boat or purchasedseparately.
Examples include:
Transfer of flywheel housings, couplers, and other hardware to adapt to various makes of drives and transoms
Changing engine couplers to match specific transmissions, or customer preferences
Changing engine mo
