![NGK Spark Plugs Spark Plug 4551 Standard Spark Plug; BR9HS-10; Non Automotive; Single NGK Spark Plugs Spark Plug 4551 Standard Spark Plug; BR9HS-10; Non Automotive; Single](https://cdn11.bigcommerce.com/s-ywvojiobs6/images/stencil/300x300/products/105473/201405/4551__98211.1653181143.jpg?c=1)
NGK Spark Plugs Spark Plug 4551 Standard Spark Plug; BR9HS-10; Non Automotive; Single
NGK Spark Plugs
$63.64
![](https://cdn11.bigcommerce.com/s-ywvojiobs6/product_images/h/apiazbk7k__87931.png")
Note: Spark Plug, Standard Spark Plug, BR9HS-10 S25, 14 Millimeter Thread Size, 1/2 Inch Reach, 0.04 Inch Pre Gap Size, 13/16 Inch Hex, Nickel Ground Electrode Core, Copper Center Electrode, Nickel Center Electrode Tip, Flat Seat, 5000 Ohm Resistance, For Use With 2004-1987 Yamaha Outboard Engines