Quicksilver 84-863656A1 Wire set MPI w/ 555

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Quicksilver 863656A1 Spark Plug Wire Kit Spark plug set 863656A1 is for use on V8 MerCruiser sterndrive and inboard engines (5.0L, 5.7L and 6.2L MPI) with ECM 555 (serial No. 0M300 000-2A455878). Complete set of spark plug wires with boots at spark plug end Tailored to reach the correct plug location Designed for efficiency, endurance and durability in a marine engine environment Show more