![NGK BU8H S25 Standard Spark Plug | For 1999-1978 Mariner/2002-1978 Mercury Outboard Engines NGK BU8H S25 Standard Spark Plug | For 1999-1978 Mariner/2002-1978 Mercury Outboard Engines](https://cdn11.bigcommerce.com/s-ywvojiobs6/images/stencil/300x300/products/91939/173800/N12-logo__18102.1653157440.png?c=1)
NGK BU8H S25 Standard Spark Plug | For 1999-1978 Mariner/2002-1978 Mercury Outboard Engines
NGK Spark Plugs
$128.59
![](https://cdn11.bigcommerce.com/s-ywvojiobs6/product_images/h/apiazbk7k__87931.png")
Note: Spark Plug, Standard Spark Plug, BU8H S25, 14 Millimeter Thread Size, 1/2 Inch Reach, 0.016 Inch Pre Gap Size, 13/16 Inch Hex, Nickel Ground Electrode Core, Copper Center Electrode, Nickel Center Electrode Tip, Flat Seat, 1 Ohm Resistance, For Use With 1999-1978 Mariner/ 2002-1978 Mercury Outboard Engines