350 MPI ALPHA – Alpha Engine Only. 300 HP @ 5000 RPM. 350 Cubic Inch Fully Dressed Marine Engine. Engine Features 100% new Quicksilver: Cast Iron Engine 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, ECM555, 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 Seawater Pump Kit 46?8M0139983 & serpentine belt 57?865615Q03 (sold separately) for proper cooling.
NOTE: Because this is a completely new engine and not a major repower assembly, the old engine being replaced is to be returned per EPA 1068.240.
300 HP 100% New Quicksilver Sterndrive Engine
Replaces: 5.0 EFI, 5.0L MPI, 5.7L EFI, & 350 MPI sterndrive Alpha models.
