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The NGK 3901 Spark Plug (CPR7EA-9) is a compact, high-efficiency copper-core plug designed for Kawasaki motorcycles, delivering reliable cold starts, smooth idle, and consistent ignition in modern high-revving street and sport bikes.
🔧 Copper core provides excellent heat conductivity and spark stability 🔧 Slim 10mm thread fits compact multi-valve cylinder heads 🔧 Trivalent plating resists corrosion and thread galling 🔧 Pre-gapped at 0.036" for hassle-free installation
Brand & Part Number: NGK 3901 CPR7EA-9 Material: Copper Thread Size: 10mm Reach: 19mm (0.75 in.) Hex Size: 5/8 in. (16mm) Seat Type: Gasket Resistor: Yes Gap: 0.036 in. (0.9mm)
Choose NGK CPR7EA-9 to keep your Kawasaki motorcycle performing smoothly and starting reliably—order now!