Spark plug set 863656A03 is for use on V8 MerCruiser Black Scorpion and MX 6.2L Black Scorpion Tow Sports engines (serial No. 0M391599-2A460164).
- 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