Mercury – Quicksilver NGK IZFR6J Laser Iridium Spark Plug | Marine Ignition Component | Sold Individually | 843220Q MerCruiser-4-5L-MPI-Alpha-2012 The three-blade configuration offers balanced

The three-blade configuration offers balanced lift and thrust

making it simple to work in tight spots

Low- and high-pressure fuel filters

One handle and three pads and you can tackle any job

and heavy-duty lugs support long-term durability

Mercury – Quicksilver NGK IZFR6J Laser Iridium Spark Plug | Marine Ignition Component | Sold Individually | 843220Q MerCruiser-4-5L-MPI-Alpha-2012 The three-blade configuration offers balancedMercury Quicksilver NGK IZFR6J Laser Iridium Spark Plug Marine Ignition Component Sold Individually 843220Q Overview The Quicksilver 843220Q NGK IZFR6J Laser Iridium Spark Plug is built to give your Mercury outboard dependable starts, smooth power, and long service life. Its the same high quality plug trusted by Mercury Marine for factory performance, designed to handle the heat and vibration of real world boating. Each plug comes pre gapped and ready