Remanufactured PRO-Series LongblockGM 8 Cyl., 6.3 Liter Gen+ 383 V8(Left-Hand Standard Rotation) with remanufactured Vortec cylinder heads.This engine is used to service 2005 thru 2007 Mercury Remanufacturing 383 MagStroker Multi-Port Fuel Injected marine engines, 865108R10, 865108R11 &865108R80. This block has provisions for a CPS (Crank Position Sensor). Thereare NO provisions for a mechanical fuel pump. It uses a proprietary 383 rollercamshaft profile, 1.6:1 roller rocker arms and 100 PSI oil pump.
