Aurora 850 / SE / Huntmaster (2023+) same as 400-0300
Bigfoot 6x6
Frontier 650 6x6 (Briggs Engines Only)
Frontier 650 8x8 (Briggs Engines Only)
HD 650 6x6
Response 8x8
Vanguard II 6x6
Vanguard 6x6


Stock OEM spark plug for the above models.


Elevation Note:

If you are located above 8000ft you can change your plug to a RC14YC for better high elevation performance and fuel burn.


Sold each.