MERCRUISER OEM TUNE-UP KIT FOR V-8 MPI HEI FLAT-CAP ENGINES , INCLUDES CAP & ROTOR KIT P/N 8M0061335, (8) NGK LASER IRIDIUM SPARK PLUGS P/N ITR4A15 ,PLUG WIRE SET P/N 84-863656A1, WILL ALSO FIT MOST VOLVO PENTA MPI ENGINES THAT USE THE V-8 FLAT CAP. (SEE PICS)