- Racing Plug, 14mm Thread Size, 9.5mm (3/8") Reach, 13/16" (20.6mm) Hex Size
- Gasket Seat, Resistor, .030" Core Nose Projection, Fine Wire Race Plug, Heat Range 19
- Annual spark plug servicing is recommended for maximum power from your lawn and garden equipment
Champion resistor spark plugs are suitable for use with 4 stroke Lawn Mowers. Offering maximum durability for your money, Champion spark plugs are easy starting and are superior when it comes to corrosion resistance.