Spark plug set 847701Q17 is for use on V8 MerCruiser 454 Magnum MPI Horizon inboard engines. These blue wires are tailored to reach the correct plug locations and are designed for efficiency, endurance, and durability in a marine engine environment. Quicksilver buying is buying performance and protection.
- Complete set of blue spark plug wires with boots at spark plug end
- Tailored to reach the correct plug location
- Designed for efficiency, endurance, and durability in marine environments
- Fits select V8 MerCruiser 454 Magnum MPI Horizon engines (1998)