X-PRO NGK D8EA Spark Plug for 150cc 200cc 250cc ATV Go Kart Scooter Dirt Bike Quads 4 Wheeler Please identify X-PRO. NO. 1 China Motorcycle Parts Brand, Better Done OEM. NGK D8EA Spark Plug. Top Quality Guaranteed. NGK D8EA Spark Plug for 150cc-250cc Air/Water Cooled Vertical Engine ATVs,Dirt Bikes and GY6-250CC /CF-250CC Engine Moped, Go Karts