NGK Vs. Bosch Spark Plugs: Best Fit by Engine, Heat Range & Plug Type
Pull an old spark plug and the story shows on the tip: white ash, worn edges, wide gap. Now the shelf choice gets real: NGK or Bosch? Both brands can work. Both can also be wrong if the plug misses the engine’s heat range, reach, seat, gap, or exact part number. A Honda or Subaru … Read more