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. 0M300000-2A455878).
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
