502 mpi 8.2 Mercruiser replacement motor efi computer 454 gen 6 dyno tested

Newly rebuilt gen -6 454 big block that has been engendered to be a direct replacement to a 502 mpi Mercruiser . Cam and cyl heads have been tailored to work perfectly with a stock computer and feul system . They make identical tourque and hp . To the standard 502 we sell this in long block form , upon sale we will need your complete upper and lower intake assy . ECM , harness , feul rail and complete feul system . We will install all those parts and dyno test the motor to be sure everything is functioning properly . This is a much less expensive alterintive to a new 502 long block, we sell these in several different combos, and they are very reliable good rung motors . The cores we start with are corrosion free ,and are in like new condition .