PLEASE select "V8 MPI" (5.0/5.7/6.2) or "V6 MPI" (4.3L) ignition kit. 100% OEM Mercruiser parts. Fits Mercruiser engines equipped with Multi-Point Electronic Fuel Injection (MPI) V8 MPI (5.0, 5.7, 6.2) MPI (pcm 555) Service kit: (8) OEM Iridium Spark Plug 41-101 (884019), Plug Wire Set 863656A 1, Distributor Cap Kit 8M0061335 (Distributor Cap 884792 / Rotor 884790) V6 MPI (4.3L) MPI Mag Service kit: (6) OEM Iridium Spark Plug 41-101(884019), Plug Wire Set 863656A 2, Distributor Cap Kit 898253T28 (Distributor Cap 898253T23 / Rotor 898253013) AcDel 41-101 Iridium spark plug supersede 41-993, 41-932, 8M2018369, ITR4A15 OEM Cap & Rotor Kit # 8M0061335 (v8) fit distributor 879150A87. Supersedes cap/rotor: 8M0061335, 8M0061106, 8M6001222, 18-5247, 898253T29, 8M0060495 and wire set 863656A2, 18-8829-1 OEM Cap & Rotor Kit # 898253T28 (v6) fits distributor 888751A03. Supersedes cap/rotor 898253013, 8M6001222, 898253T28,18-5246, and wire set 18-8829-1, 863656A1 Please verify your engine's specifications before purchasing or contact us for further info.